REALLY NEED HELP PLZ !!!!
Statistical analysis of population trends is called _____. A. futuristics B. natural selection C. a census D. demography
Answer:
D.
Explanation:
just look it up on google dude XD
Subliminal stimulation occurs below the _____ threshold for conscious awareness.
Another function of blood is defense. Give a brief explanation of how the blood accomplishes this function?
The blood defends the body by using white blood cells to destroy pathogens, circulating antibodies to neutralize toxins, and coagulating to prevent blood loss and pathogen entry.
One of the specific functions of blood includes the defense of the body against infections and other foreign invaders. This is accomplished predominantly by the white blood cells (WBCs), which are part of the formed elements in the blood. These cells identify, attack, and destroy harmful bacteria, viruses, and other pathogens. The blood also contains antibodies and other proteins within the plasma that help neutralize toxins and mark pathogens for destruction. Additionally, the process of blood coagulation prevents excessive blood loss from the body when injuries occur, while also acting as a barrier to prevent the entry of pathogens.
Whenever possible, the nurse who is treating the pain of older adults should avoid the use of which drug(s)?
Michelle had a lobotomy (a surgical technique) in which her entire frontal lobe was removed. michelle will likely have difficulties in:
Michelle will likely have problems in planning and judgment. The lobotomy also named prefrontal leukotomy, surgical process in which the nerve passageways in a lobe or lobes of the brain are separated from those in other areas. The process before was used as a radical beneficial measure to help totally troubled patients with schizophrenia, manic depression and mania and other mental diseases.
Based on your knowledge of the polarity of water molecules, the solute molecule depicted here is most likely _____.
The solute molecule depicted in the image is most likely polar due to the polarity of water molecules.
Explanation:The solute molecule depicted here is most likely polar because water is a polar molecule. In a polar molecule, there is an uneven distribution of electronegativity resulting in a partial positive charge on one end and a partial negative charge on the other. Since water is attracted to other polar molecules, it will dissolve substances that are also polar. Therefore, the solute molecule depicted in the image is most likely polar.
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Photosynthesis and why it is the most important chemical reaction on earth
Analyze how sustainable use could preserve biodiversity in hot spots
Which of the following are true of sedimentary rocks? Check all that apply! They come from magma. They are formed from the natural processes like wind and water called 'weathering'. Tiny pieces of rocks are called sediments. Sediments pile up and are cemented or compacted together.
Glucose is the preferred source of energy for the brain and red blood cells true or false
Societal regulations and laws may be developed or changed in response to scientific findings. Which type of scientific research has resulted in the passing of many laws?
Atom A has an atomic number of 19 and mass number of 40. Atom B has an atomic number of 20 and a mass number of 40. Which of these is an accurate statement?
A) Atom A has more protons than Atom B.
B) Atom A has one less proton and one more neutron than Atom B.
C) Atom A has an extra nucleon compared to Atom B.
D) Atom A has one more proton and one more electron than Atom B.
Answer:
B) Atom A has one less proton and one more neutron than Atom B.
Explanation:
Atom A has the same mass but one less proton. So, Atom A has one less proton and one more neutron than Atom B.
Primary treatment for myocardial infarction (mi) due to acute ischemia is directed at ______
energy derived from burning wood, alcohol, and garbage
Nonrenewable resources
Renewable resources
Turbines
Geothermal
Cells
Biomass
Answer: Biomass
Explanation: The energy derived by burning of the wood, alcohol and garbage can be defined as biomass.
This is the dry form of the substances that is burned to get energy. This energy can be used for many processes in industries.
Biomass acts a fuel and its burning leads to the emission of carbon dioxide, and other gases in the environment.
The process by which trees remove carbon from the air and store it in their biomass is known as:
Carbon sequestration is known as the process by which trees remove carbon from the air and store it in their biomass. Carbon is the central ingredient in making that new biomass. Tree biomass is comprised of all parts of the tree; leaves, stems, branches, roots, tree trunks.
An infection or the products of infection carried throughout the body by the blood is called:
An infection or the products of infection carried throughout the body by the blood are called blood borne pathogens. These are infectious microorganisms can cause diseases in humans. Examples of this is hepatitis B (HBV) and human immunodeficiency virus or also known as HIV.
The spread of infection through the bloodstream, especially when bacteria are reproducing, is called septicemia. Bacteremia, viremia, and toxemia refer to the presence of bacteria, viruses, and microbial toxins in the blood, respectively.
An infection or the products of infection carried throughout the body by the blood is called septicemia if bacteria are reproducing in the blood. The term bacteremia refers to the presence of bacteria in the blood, whereas viremia and toxemia refer to the presence of viruses and microbial toxins, respectively, in the bloodstream. Pathogens can be introduced to the bloodstream through various means, such as contaminated catheters or intravaginal products like tampons, leading to these conditions.
Which of these statements are likely to be found in a psa? select the two correct answers?
Answer:
Lung cancer
Explanation:
The jovian planets have high masses and hence generate powerful gravitational fields, and yet they have low average densities. what does this fact indicate about their interiors?
A mother of a 4-year-old child asks the nurse how to talk with her daughter about strangers. the little girl is very friendly and her mother is concerned that her child could be abducted. the nurse should tell the mother:
What type of insect sometimes arrives on a dead body with beetles and eats fly eggs?
Ants
Wasps
Mites
Spiders
Answer:
Mites
Explanation:
Just took the test :)
The depolarization causes a ____________ that excites the entire membrane.
Twelve-year-old sam has begun to develop facial hair and acne. his twin sister stacey is developing underarm hair and acne. what hormone is responsible for these changes?
list at least two pros and cons of using road salt in the winter
Answer:
The advantages of the use of road salt in winter are-
(a) Road salts can melt the ice during the winter that helps in the reduction of accidents.
(b) It increases the frictional force.
(c) It is less costly and easily available.
The disadvantages of the use of road salt is-
(a) Certain parts of the cars get rusted due to the increasing iron oxide formation. This iron oxide is formed when the free-floating ions react with the water.
(b) It causes damage and corrodes traffic infrastructures.
(c) The addition of rock salts can lead to the destruction of various types of plants as it does not allow the plants to take in water.
(d) The water gets contaminated as it mixes with the salt, as a result of which the aquatic lives are affected.
Barnacles and mussels are filter feeders that attach themselves to rocks in the intertidal zone. A scientist observed a dense colony of barnacles covering a rock surface. The mussels were limited to the crevices in the same rock. Evaluate the observation given the limiting factors in the zone.
Final answer:
Barnacles cover rock surfaces while mussels are in crevices due to intertidal limiting factors such as competition, predation, and environmental conditions. Nutrient availability, like plankton, is critical for sustaining their populations in the intertidal zone.
Explanation:
The observation of barnacles dominating the rock surfaces and mussels being restricted to crevices can be understood by evaluating the limiting factors present in the intertidal zone. Barnacles secrete a cement-like substance allowing them to firmly attach to open, exposed surfaces, which helps them to filter feed efficiently in this constantly changing environment. In contrast, mussels are often found in the somewhat more protected crevices, possibly due to a combination of biological and environmental factors such as competition for space, predation, and physical conditions (e.g. wave exposure, desiccation). Given that both mussels and barnacles are filter feeders, the availability of nutrients, primarily plankton, plays a critical role in establishing the maximum sustainable population.
Therefore, factors such as the distribution of phytoplankton and the rate of water flow, which influence the delivery of nutrients, are crucial for maintaining dense populations in the intertidal zone.
Humus is a concentration of decaying, organic matter in the b horizons of lateritic soils.
a. True
b. False
Answer:
True
Explanation:
You have responded to a local pool for a drowning patient. lifeguards have pulled the patient out of the pool prior to your arrival. you find the 16-year-old patient unresponsive with agonal respirations and a weak carotid pulse. what is your first action?
Indicate which strategy is likely to lead to optimal muscle glycogen replenishment. meal size
Optimal muscle glycogen replenishment is likely to occur through balanced intake of nutrients, particularly carbohydrates. The hormone insulin assists in glucose absorption by cells and promotes the synthesis of glycogen in liver and muscle cells. Excess nutrients can contribute to glycogen storage, which is crucial in the post-absorptive state where the body relies on these stores for energy.
Explanation:For optimal muscle glycogen replenishment, a strategy involving balanced nutrient intake with an emphasis on carbohydrates is most effective. Upon ingestion, carbohydrates, primarily glucose, are used to replenish glycogen stores within muscles and liver. As the body transitions into a post-absorptive state, the body utilizes stored glycogen for energy needs - this state can last up to 4 hours post meal. In this case, meal size can be a factor in glycogen replenishment: balanced meals with adequate carbohydrates can ensure optimal glycogen stores.
Excess nutrients (proteins, fats, glucose) can contribute to glycogen storage that can be used at a later point when food is scarce or energy demands are high. Extra glucose and ATP, for instance, can produce glycogen. When consumption outpaces need, excess glucose can be stored as glycogen in the liver and muscle cells, or as fat in adipose tissue.
In essence, insulin plays a vital role in glycogen storage. Following a meal, insulin facilitates the absorption of glucose by cells and promotes glycogen synthesis in the liver and muscle cells. In ensuring adequate glycogen stores, incorporating balanced meals with an appropriate size and timing is key.
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In an experiment, James studied the relationship between kinetic energy, mass, and velocity. Four masses were rolled across a smooth surface. If the kinetic energy in Joules remains constant, and the masses change, predict the velocity of the ball with a mass of 40kg
Answer:
A
Explanation:
Final answer:
In physics, kinetic energy is proportional to mass and velocity squared (KE = 0.5 × m × v^2). Therefore, to predict the velocity of a 40 kg ball with constant kinetic energy but a different mass, you must consider that as mass increases, velocity decreases, and use a proportion based on known velocities of other masses.
Explanation:
In physics, kinetic energy is determined by the equation KE = 0.5 × m × v^2, where KE represents kinetic energy, m is mass, and v is velocity. This equation implies that kinetic energy is directly proportional to mass and to the square of the velocity. When kinetic energy stays constant and the mass changes, velocity has to adjust accordingly. Since kinetic energy quadruples when velocity is doubled (keeping mass constant), if you increase the mass without changing the kinetic energy, you need to decrease the velocity. Therefore, to maintain the same kinetic energy with a heavier object, the velocity must decrease.
For a constant kinetic energy, if you were provided with the velocities for different masses, you could predict the velocity of a 40 kg ball by setting up a proportion based on the inverse relationship between mass and velocity squared. However, without specific values, you can only state that as mass increases, velocity must decrease to keep the kinetic energy constant.
1. A long-term relationship in which both species benefit is known as parasitism. *
A. True
B. False
2. The relationship of algae living in the fur of a 3-toed sloth and helping to camouflage the sloth, is called *
A. symbiosis
B. mutualism
C. commensalism
D. parasitism
3. A deer tick feeding on a human is an example of *
A. biodiversity
B. parasitism
C. commensalism
D. mutualism
4. Which of the following is an example of consumers outnumbering the producers they are feeding upon? *
A. a tree with thousands of insects feeding on it
B. several
C. mutualism
D. predation
5. A fish cleaning the mouth of a larger fish and being protected by the larger fish is an example of *
A. parasitism
B. mutualism
C. commensalism
The best definition of a purebred plant is one that