The statement C. "eventually becomes a fact" does not describe a scientific theory. Scientific theories remain theories despite extensive evidence and are open to revision; they don't become 'facts'.
The statement that does not accurately describe a scientific theory is "eventually becomes a fact." It's important to note that a scientific theory is a well-substantiated explanation of aspects of the natural world that has been consistently supported by a large body of evidence and facts obtained from multiple observations and experiments. A scientific theory is generally accepted among scientists due to its robust support, not because it has morphed into a fact over time.
Additionally, scientific theories are designed to be testable and are subjected to rigorous testing and refinement. While a theory may be widely accepted and highly reliable due to extensive evidence, it remains open to scrutiny and revision should new evidence emerge.
Which phrase best describes the time period in which the current body of scientific knowledge was developed?
A. Just over the last 50 years
B. Throughout all of history
C. Mostly during Roman times
D. Mostly in the 20th century
The Answer for (APEX) is B:Through out all of history.
Final answer:
The current body of scientific knowledge was developed throughout history, with significant progress since the Renaissance and notable advancements in the 20th century.
Explanation:
The current body of scientific knowledge was developed over a broad span of history, displaying a significant progression since the Renaissance and accelerating during the Industrial Revolution. The pace of scientific development has been particularly remarkable in the 20th century, which has been characterized by discontinuous changes and dramatic advances known as 'scientific revolutions'. Therefore, the phrase that best describes the time period in which the current body of scientific knowledge was developed is B. Throughout all of history, although the most striking advancements occurred in the last few centuries.
what part of the cell is most like the stomach
The brown paper test for lipids is positive when food is placed on the paper and a spot forms which will allow light to pass through it. Which food would give the strongest positive test for lipids? A) oatmeal B) margarine C) corn syrup D) chicken broth
maragarine
is the answer
Meg and Rachel each have bowling balls with the same mass. They both roll them as hard as they can and then measure the speed of the balls. Meg's ball and Rachel's ball were measured to have the exact same speed. What do you know about the forces applied by the girls?
A) Meg applied more force than Rachel.
B) Rachel applied more force than Meg
.
C) They applied an equal amount of force.
D) They applied a almost the same amount of force.
Meg and Rachel applied the same force because the speed was the same amount of the force. Thus, option D is correct.
What is force?
In general language we can say that push or pull is called force.
According to newton second law of motion force is rate change of momentum it means
F= d/dt×(mxv)
Where m is mass and v is velocity
But in general case mass is constant.
So ,Force
F= mxd/dt×(v)
Since we know that rate change of velocity is acceleration.
Then we can say that
F= mass x acceleration
S.I unit of force is Newton
1 Newton = 1kg×m/sec^2.
Force and acceleration is a physical quantity which have both i.e magnitude and direct it means both are vector quantity. According to newton second law of motion force is rate change of momentum it means
F= d/dt×(mxv)
Therefore, Meg and Rachel applied the same force because the speed was the same amount of the force. Thus, option D is correct.
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Why do enzymes generally only bind to one type of substrate?
Explanation:
Enzymes are proteins that increase the reaction rate that occurs within the cells.
enzymes generally only bind to one type of substrate because the active site of the enzymes has a certain shape and as per lock and key model, the enzymes have to be of specific shape the same as the substrate to get fit.
Enzymes have active sites, where the substrate gets fits when the reaction occurs.It means that enzymes generally only bind to one type of substrate and they are highly specific for their substrate.
imagine a model of a cell shaped like a cube.Calculate the ratio of surface area to volume for a cell model measures 3 cm on each side
The surface area of one side = 1 cm X 1 cm = 1 cm2
There are 6 sides, total SA = 6 X 1 cm2 = 6 cm2
Volume = 1 cm X 1 cm X 1 cm = 1 cubic cm (1 cm3)
Surface to Volume Ratio = 6 cm2/1 cm3 = 6 cm2/cm3
The surface area of one side = 6 cm X 6 cm = 36 cm2
There are 6 sides, the total SA = 6 X 36 cm2 = 216 cm2
Volume = 6 cm X 6 cm X 6 cm = 216 cm3
Surface to Volume Ratio = 216 cm2/216 cm3 = 1 cm2/cm3
seedless bananas were probably first caused by a blank
The fungi in the picture are an important part of the ecosystem because they
Fungi are important because they help decompose dead organisms and recycle the nutrients, which plants benefit from it.
Students are studying the changing concentration of carbon dioxide levels in different substances. They insert sensors into each substance and allow a device to graph the results. What are the students most likely using? thermometers microscopes probeware silverware
Answer:
I think the answer is probewear i am not 100% sure though
Explanation:
Feel free to tell me if i am wrong and if i am comment the right answer!!!
Under which of the following conditions would a fossil most likely form?
A. a living thing dies and sediment is very slowly deposited on top of its body.
B. a living thing dies and sediment quickly covers its body.
C. a living thing dies and its skeleton is left exposed to the elements.
D. a living thing dies and radioactive element breaks down its body.
Please help I am so confused!!
Answer:
The answer is A) a living thing dies and sediment is very slowly deposited on top of its body.
Explanation:
The formation of a fossil depends a lot on the chemical composition of the organism that has died. Generally, the hard materials of an organism such as bones tend to have a greater amount of minerals within their composition, which facilitates the formation of a fossil. In order for a fossil to form, it is necessary that all the soft tissues of the organism have disappeared and sedimentation of the organism occurs, which prevents decomposition. This fossilization process occurs in thousands of years.
Photographs of the surface of Mars reveal the presence of sand dunes that shift over time. These dunes demonstrate the presence of what phenomenon on Mars?
f Magnetic pole reversals
g Winds
h Plate tectonics
j Precipitation
The presence of shifting dunes on Mars is evidence of wind activity on the planet. Martian winds are capable of redistributing surface material and forming dunes, and the photographs of these dunes indicate active wind-driven processes. So the correcct option is g.
Explanation:The shifting dunes on Mars demonstrate the presence of winds on the planet. These winds play a crucial role in redistributing surface material. As described, much of the material stripped from Martian canyons has been deposited into extensive dune fields, primarily at high latitudes.
Mars experiences various wind-related phenomena, such as dust devils, which are responsible for creating patterns on the surface by moving dust and sand. These dust devils and windstorms have enough power to move sand and create dunes, which change shape and position over time. The passage of Martian winds over loose sediments can also result in cross-bedded sandstone formations, as have been interpreted from images taken by the Curiosity rover in Gale Crater, indicating past interactions with liquid water.
In summary, Mars' winds are integral to the planet's surface dynamics, creating and shifting the dunes observed in high-resolution photographs. These winds are an essential factor in understanding the Martian climate, surface erosion, and geological history.
if the sun contributes 11382400 kj of energy and the producers were only able to assimilate 1% of that energy how many joules would they be able to use?
Select all that apply. _____ trigger other proteins and enzymes to stimulate cell division. External and internal stimuli Regulating protein agents Activators and inhibitors Metabolic pathways
The right answer is Regulating protein agents.
The regulating protein agents they are talking about is certainly the cyclin, especially cyclin B.
Cyclins have no enzymatic activity, they are regulatory proteins necessary for Cdk to be enzymatically active.
The activation of the Cyclin B / Cdk1 stock is the result of a series of complex and interdependent reactions:
When replication is complete, the Cdc25 phosphatase is no longer sequestered in the cytoplasm and passes into the nucleus, and at the end of the G2 phase, the Cdc phosphatase is activated, probably by phosphorylation by the Polo kinase. Cdc 25 then acts to remove the two phosphates inhibitors Cyclin B / Cdk 1 (after that, there is a process of self-activation).
Cyclin B / Cdk 1 complexes, once activated, allow entry into mitosis. For this, they intervene by triggering a number of phenomena that take place at the beginning of mitosis, that is to say in prophase.
The first samples of the moon’s surface to be brought back by Apollo astronauts were
carefully examined for signs of life. What sort of evidence do you think scientists looked for and how did they go about obtaining that information? Were there any signs of life?
There are numerous methods for gathering information or proof. Scientists can collect their data through making observations of the natural world, conducting laboratory experiments, or using computer models.
What is astronaut?A person who has undergone specific training to travel to space is known as an astronaut.
The duties of an astronaut aboard a spaceship can vary. Usually, a pilot and a commander work together to lead the mission.
The term "astronaut," which is derived from the Greek words for "star" and "sailor," is frequently used to refer to someone who has travelled through space.
More specifically, in the West, the term "astronaut" refers to space travellers from the United States, Canada, Europe, and Japan.
Six Apollo flights between 1969 and 1972 returned 382 kilogrammes (842 pounds) of lunar rocks, core samples, pebbles, sand, and dust. 2200 unique samples from six different Moon exploration locations were returned by the six space missions.
Thus, these are they obtain that information.
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Final answer:
Scientists looked for organic compounds, microfossils, and potential microorganisms in the lunar samples, using thorough laboratory analyses. No signs of life were found on the Moon. The samples still provide valuable information for scientific research about lunar history.
Explanation:
When the Apollo astronauts brought back samples of the Moon's surface, scientists searched for evidence of life by examining these samples for organic compounds, microfossils, and any possible living microorganisms. They used various types of analyses, such as microscopy, chemical analysis, and culturing techniques. Despite the detailed examination of nearly 400 kilograms of lunar material, no signs of life were found on the Moon. The studies did provide invaluable insight into the Moon's composition and history, including its formation about 4.5 billion years ago. Since then, the samples returned from the Apollo missions have continued to be of scientific value, enhancing our understanding of lunar geology and the early Solar System.
The comprehensive study of lunar soil and regolith also confirmed that it had been pulverized by impacts, as suggested by the Surveyor missions, and was firm enough to support the Apollo Lunar Surface Experiment Package (ALSEP) which operated for years after deployment. Such detailed analysis has been crucial to expanding our knowledge of the Moon and has left a lasting legacy, with the lunar material collected still providing data for current scientific research.
Most efficient method of extracting tears from an elderly woman?
By using Ophthalmic sponges
Explanation:Ophthalmic sponges are also widely used for collecting non-ocular mucosal secretions, that is, cervical fluids and sputum, to measure antibody or cytokine levels. Microscopic fragmentation of ophthalmic surgical sponge spears used for delivery of antiproliferative agents in glaucoma filtering surgery.
Ricky notices a similarity between a fried egg and the diagram of a cell. Which cell organelles is Ricky likely to associate with the parts of the egg?
A fried egg have the yolk part in the center facing up, and the albumen surrounds this yellow yolk. A person can see the similarity between the fried egg and the diagram of a cell. The yellow yolk of the fried egg can be easily matched to the nucleus of the cell, and the albumen part as the cytoplasm. The nucleus is a cell organelle which is present in the cell of the eukaryotes. The cytoplasm is the fluid present inside the all the cells.
describe the relationship between diffusion, cell.size, surface area, and cell volume
Asexually, fungi can reproduce by fission, fragmentation, budding, or _____.
A. producing spores
B. mitosis
C. meiosis
Fungi can reproduce asexually through fission, fragmentation, budding, and spore production. Spore production allows for rapid creation of new organisms in suitable conditions. Asexual reproduction in fungi doesn't require a partner and enables quick colonization of new environments.
Explanation:Asexually, fungi can reproduce by multiple mechanisms including fission, fragmentation, budding, and producing spores. Spore production is a common mechanism in many different types of fungi. These organisms create unique reproductive structures, where spores are formed. When conditions are appropriate, the spores are released and can grow into a new organism. It's important to note that asexual reproduction in fungi allows for rapid proliferation and colonization of new environments, as it doesn't require a partner.
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How do conduction and convection differ?
Conduction can move through empty space to transfer heat; convection cannot.
Conduction does not require objects to have direct physical contact; convection does.
Conduction requires objects to have direct physical contact; convection does not.
Conduction transmits heat through electromagnetic waves; convection does not.
if you wanted to be a certain that the rait would appear in the offspring of the plants or animals that you were breeding whhat would you have to find out about the parents
Answer:
correct
Explanation:
What was the basic shortcoming of the Greek philosophers approach to studying the material world?
What distinguishes one element from another
The main factor that distinguishes one element from another is its atomic number.
Each element on the periodic table has a unique atomic number, which corresponds to the number of protons found in the nucleus of an atom of that element.
For example, hydrogen has an atomic number of 1 because it has one proton, while carbon has an atomic number of 6 because it has six protons.
Other properties that help distinguish elements from one another include their atomic mass (the total mass of protons, neutrons, and electrons in an atom), electron configuration (the arrangement of electrons in atomic orbitals), and physical properties such as melting point, boiling point, density, and color.
Thus, it is the atomic number that serves as the primary characteristic distinguishing one element from another.
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QUICK PLEASE HELP PLEASE
Use the Density Equation to solve the problems.
Equation: Density = mass/volume or D = m/v
A 10.0 cm3 sample of copper has a mass of 89.6 g. What is the density of copper?
Question 1 options:
A 6.5 g / cm3
B 9.5 g / cm3
C 8.96 g / cm3
D 11.2 g / cm3
Use the Density Equation to solve the problems.
Equation: Density = mass/volume or D = m/v
A block of wood has a density of 0.6 g/cm3 and a volume of 1.2 cm3. What is the mass of the block of wood?
Question 2 options:
A 8.2 g
B 1.5 g
C 2.2 g
D 0.72 g
Use the Density Equation to solve the problems.
Equation: Density = mass/volume or D = m/v
A 600g boulder has a density of 8 g/cm3. What is the volume of the boulder?
Question 3 options:
A 75 cm3
B 0.013 cm3
C 66 cm3
D 57 cm3
Coral reefs are home to numerous species because
Explain how observation, interpretation, and explanation are important to the study of science
As Erosion fron ocean waves continues, what will most likely happen to a hole in a landform?
why are biologists and ecologists interested in determining the sizes of populations of organisms ms other than humans
The Biologists and Ecologists interested in determining the sizes of population of organisms other than Humans because studying various kinds of plant, animal, fungal, and even bacterial populations leads to find the answer to how the population interacts with its physical environment and with other species.
By studying population size ecologists can see how these populations have changed and may be able to predict how they're likely to change in the future. Monitoring the size and structure of populations can also help ecologists manage populations—for example, by showing whether conservation efforts are helping an endangered species increase in numbers.
Size and density are both important in describing the current status of the population and, potentially, for making predictions about how it could change in the future, for example:
Larger populations may be more stable than smaller populations because they’re likely to have greater genetic variability and thus more potential to adapt to changes in the environment through natural selection. A member of a low-density population—where organisms are sparsely spread out—might have more trouble finding a mate to reproduce with.So, the biologists and ecologists are interested in determining the sizes of population of organisms because it helps in studying the ecological effects, and environmental effects of the population size on the ecosystem.
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Animals in the same phylum arthropoda must also be in which same taxon
1) A scientist must always try to avoid _____________ in scientific experime
Scientists must always endeavor to avoid biases in their experiments. Biases can impede the objectivity of the scientist and the validity of the experiment's results.
Explanation:A scientist must always try to avoid biases in scientific experiments. A bias is a prejudice in favor of or against one thing, person, or group compared with another, usually in a way that's considered to be unfair. Biases can affect the objectivity of the scientist and the credibility of the experiment. For example, if a scientist is testing a new drug and they unconsciously favor positive results because they want the drug to succeed, that can introduce bias into the process, skewing the results. This is why it's crucial for scientists to recognize and mitigate biases when conducting research.
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Which statement correctly describes the diagram?
A) The products of photosynthesis cannot be used by other organisms.
B) The products of respiration can be used by plants for photosynthesis.
C) The exchange of oxygen and carbon dioxide occurs only in respiration.
D) The exchange of oxygen and carbon dioxide occurs only in photosynthesis.
the correct answer is b) the product of respiration can be used by plants for photosynthesis.