Most drug urine tests done for schools do not test for alcohol or tobacco. Write a clear and coherent argument for why you agree or disagree with this policy?

Answer

Hi,

An object with the largest size will have a large gravitational force acting on it. Explanation

The gravitation force increases with increase in size of an object. An object that has twice as much mass will exert two times as much gravitational pull on other objects. An object with greater mass attracts the earth more strongly that the other one with smaller mass. On the earth’s space, the more massive objects will exert stronger gravitational forces.

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The geographic term is elevation

Scientists continuously find fossilized bodies of dinosaur bones that all appear to have died the same way.  It is because of these discoveries that we know that dinosaurs and other pre-historic species existed on Earth 66 million years ago.  

The evidence that points to the fact that there was a big extinction about 66 million years ago lies in the fossil records themselves.

Records and evidence show that for an estimated two hundred and thirty million years, Earth was home to lots of dinosaurs. Fragments of their skeletons such as teeth, bones,  etc have been found on fossils which corroborates this position.

The interesting thing however is that when subjected to radiocarbon dating none of the dinosaur remains were in age, less than 66 million years. This can only mean that there was a massive catastrophe that wiped out life as it existed then.

There is also some evidence that suggests that a huge asteroid impacted the earth at that time causing the extinctions.

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1. Medium

2.underwater earthquakes, volcanic eruptions, or landslides.

3.In each ocean basin there is a roughly circular current flow called a gyre. The world's oceans travel in well-defined circular patterns called currents which flow like rivers.

I hope this helps!!!

Water particles

Water waves are a case of waves that include a blend of both transverse movements and longitudinal movements. As a wave goes through the falter, the particles travel in clockwise circles. The range of the circles diminishes as the profundity into the water increases.

Gigantic waves

When large amount of water is shifted from its original place due to change in position of earth plates.

Gyre

The circular pattern of travelling of ocean is called as gyre. Such type of patterns are formed in water body such as ocean.

There are some characteristics that scientists considered before they classify organisms, these characteristics include the following:

1. The number of cell present in the organism: on the basis of number of cell, an organism can be classified as a prokaryote or an eukaryote.

2. Mode of feeding: an organism can be categorized as an autotroph or a heterotroph based on the way it obtains its food.

3. Mode of reproduction: an organism can be classified as sexual or asexual based on the method it uses to reproduce its offspring.

Answer:

Regenerative disconnection, just as ordered and hereditary contrasts, can be utilized to find and arrange new species. Three attributes are the quantity of cell present in the living being: based on number of cell, a creature can be named a prokaryote or an eukaryote.

The method of feeding: a life form can be arranged as an autotroph or a heterotroph dependent on the manner in which it gets its food, and finally: method of proliferation: a creature can be delegated sexual or agamic dependent on the strategy it uses to replicate its posterity.

Explanation:

Differential reproduction.

1) Pulmonary Ventilation

Movement of air in and out of the lungs passage (Thorax and Diaphragm).

2) External Respiration

Exchange of gases between air and blood at pulmonary capillaries (Alveoli).

3) Transport of gases through blood vessels

O2 and CO2 carried in blood associated with RBC's.

4) Internal Respiration

Exchange of gasses between blood and body cells at systemic capillaries. O2 out of the blood, CO2 into the blood.

5) Cellular Respiration

Breakdown of molecules at mitochondria within cells to form ATP, this uses up oxygen and produces CO2 as a by-product.

Answer:

(1) Air enters the nostrils.

(2) Air passes through the trachea to the bronchi.

(3) Air diffuses from the alveoli to the blood cells.

(4) Oxygen enters the blood cells.

(5) Blood transport oxygen to other cells.

Explanation:

The steps of respiration process are:

(1) Breathing or air inhale and exhale also called pulmonary ventilation.

(2) External respiration: external respiration exchanges gas between the lungs and the blood stream. Oxygen is exchanged for carbon dioxide waste to the process called external respiration.

(3) Internal respiration: In this process gases are exchanged between the blood stream and body tissues.

(4) Cellular respiration: It is a process in which sugar breakdown into a form that the cell can use as energy.

Answer:

C

Explanation:

Unsaturated fats that chains in their polymer chains as shown in the diagram in C. These kinks reduced the levels of compaction between adjacent polymer chains because they disrupt the hydrogen bonds between the chains . Therefore, the oils will not be solid at room temperature. This is why they are called unsaturated fats.  

Answer:

Option (C).

Explanation:

Fatty acids may be defined as the compound containing long hydrocarbon chains with the carboxylic acidic group. Two main types of fatty acid are saturated and unsaturated fatty acid.  

Unsaturated fatty acids contains the double and triple bond in its structure. The option (C) in the picture contains the carboxylic acid with long hydrocarbon chain and double bond in its structure.

Thus, the correct answer is option (C).

The answer would be A: Switching to solar electricity. The switch to solar electricity helps the environment and it as well saves some money.

A. Switching to solar electricity.

The point of using a "more sustainable resource" is to find one in which the resource can be replenished faster or at the same rate as it is used. This only leaves solar electricity, for the source (sun), will always be there for as long as we are alive. All the others take centuries to form, and is used faster than created.

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fast-moving wind over smooth water

:)

Answer:

Moving winds on the surface of the ocean creates waves in the ocean.

The gravitational pull of the Moon causes the largest tides in the ocean.

Explanation:

Generally, the most common factor that causes the largest waves in the ocean is winds. this is also called wind-driven waves of the ocean when the surface wind flows on the surface of the ocean, this disturbance creates the friction between surface wind and surface of the ocean which creates waves in the ocean.

sometimes these winds create larger waves in the ocean but it depends on two factors such as "wind speed" and "wind duration".

The faster the wind, the larger the wave.

In physical cosmology, cosmic inflation, cosmological inflation, or just inflation, is a theory of exponential expansion of space in the early universe. The inflationary epoch lasted from 10−36 seconds after the conjectured Big Bang singularity to sometime between 10−33 and 10−32 seconds after the singularity.

Inflation theory is a theory of exponential expansion of space in the early universe

The term inflation means expansion and in Physics it refers to the explosively rapid expansion of space-time that occurred a tiny fraction of a second after the Big Bang. According to Big Bang theory the universe expands relatively gradually throughout its history. Inflation theory was developed around 1980 to explain several puzzles with the standard Big Bang theory.

Our Solar System, including Earth, is located in one of the spiral arms of the Milky Way galaxy, specifically the Orion Arm. We're not at the galactic center or the central ring, nor outside the spirals. This location helps preserve life on Earth by reducing exposure to hazardous cosmic radiation.

The Solar System, including our Earth and other planets, is situated in one of the spiral arms of the Milky Way galaxy, more specifically in the outer part named the Orion Arm. It is not at the galactic center or the central ring of the Milky Way. We are also not situated outside the spirals of our galaxy.

This spiral arm is filled with gas, dust, and a number of stars. Our position in the galaxy is a key factor in preserving life on Earth because residing in a less dense part of the galaxy reduces our exposure to potentially hazardous cosmic radiation.

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Messenger RNA (mRNA) carries the genetic information copied from DNA in the form of a series of three-base code “words,” each of which specifies a particular amino acid. Transfer RNA (tRNA) is the key to deciphering the code words in mRNA

Answer: It acts as the intermediate between the genetic information of DNA and amino acid sequence of protein.

Explanation:

The mRNA contains the codons that are complementary to the sequence of the nucleotide on the template strand of the DNA.

Then with the help of the ribosomes and tRNA it directs the formation of amino acids.

It carries the genetic information hence, called as messenger RNA. The molecule of the mRNA is made of single strands of the adenine, cytosine, guanine and uracil kept together by sugar phosphate backbone.

i believe the answer is C, Placenta

Hi, It’s C the placenta it gives oxygen to most mammals

Answer:

electric current

Explanation:

The following things may help you

The answer to your question would be "smooth muscle" I hope this helps.

The correct answer is - the atmosphere.

All of the terrestrial planets have atmospheres, but all them differ in their composition and density too. Venus has the highest temperature of the terrestrial planets, higher even then Mercury despite being closer to the Sun, because it has very dense atmosphere. Also, the key moment with the dense atmosphere of Venus is that it is mostly composed of carbon dioxide. The carbon dioxide is a gas that has the ability to trap the solar radiation into the atmosphere, so the more there is from this gas, the hotter it will be, and Venus has exactly that.

Answer:

Its A

Explanation:

i just done it, and it was a

Measuring photosynthesis via the production of oxygen. Oxygen can be measured by counting bubbles evolved from pondweed, or by using the Audus apparatus to measure the amount of gas evolved over a period of time.The emerging bubbles are either simply counted or they are recorded using light barriers, which is very difficult because of their small size and often varying ascent rate. The gas bubbles generated during photosynthesis by aquatic plants produce distinctive sound pulses when leaving the plants.

Photosynthesis, a process where plants convert carbon dioxide and water into glucose and oxygen, releases oxygen. This release can be measured by counting the oxygen bubbles produced, giving a general measure of the rate of photosynthesis.

Counting the release of oxygen bubbles is a valid way to measure the rate of photosynthesis because photosynthesis is a process in which plants convert carbon dioxide and water into glucose and oxygen. This process requires light energy, which is absorbed by a green pigment called chlorophyll. As the photosynthesis process occurs, the production of oxygen can be visually observed through the formation of oxygen bubbles especially when the plant is immersed in water.

During photosynthesis, for every carbon atom converted into carbohydrates, hundreds of water molecules are released, meaning photosynthesis also results in oxygen being released into the atmosphere. This oxygen can then be measured by counting the number of bubbles that are produced over a certain period of time. The more bubbles observed in a given period, the higher the rate of photosynthesis.

It's important to note that while this method provides a general measure of the rate of photosynthesis, it doesn't provide a precisely accurate measure as a multitude of factors such as light intensity, temperature, and carbon dioxide levels can also influence the rate of photosynthesis.

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it prevents interbreeding between the populations.

the population size is at 300 and yeah

At point A the population is at 300 and still inclining by a lot.

Hope this helps!!

Mitosis plays an important part in the life cycle of most living things, though to varying extents. In unicellular organisms such as bacteria, mitosis is a type of asexual reproduction, making identical copies of a single cell. In multicellular organisms, mitosis produces more cells for growth and repair.

Mitosis is a process of cell division employed by organisms for growth, repair, and in some cases, asexual reproduction. During mitosis, a single parent cell divides to produce two identical daughter cells. These cells can replace damaged or dead cells and, in asexual reproduction, create genetically identical offspring.

Organisms perform mitosis, a form of cell division, in order to facilitate growth, repair, and in some organisms, asexual reproduction. During this process, a parent cell divides to produce two identical daughter cells. These daughter cells function in different parts of the body, replacing dead or damaged cells, or may be involved in asexual reproduction, producing genetically identical offspring.

Only cells produced through meiosis, another form of cell division that results in sexual reproduction, serve to introduce genetic variation. However, mitosis is a simpler and less energy-consuming process compared to meiosis, thus making it a key cellular activity, especially in eukaryotes such as plants and animals. This helps organisms maintain their genetic consistency while still being able to grow, repair damaged cells, and reproduce.

For instance, in multicellular organisms, the cell cycle involves the phases of interphase and the mitotic phase. During the mitotic phase, the duplicated chromosomes are distributed into daughter cells—each genetically identical to the parent cell, allowing consistent growth and repair across the organism.

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Answer: high rates of evaporation

Salinity is the measure of amount of salt dissolved in the water. The area with a plenty of run off will have very low salinity as the run off will take away the surface particles might be containing salt in it. The area with high rates of precipitation will have very low salinity this is because of the fact that the rainfall will take away the salts present on the surface to other location because of water erosion.

The area with high rates of evaporation will have highest salinity because the water or other liquid components gets removed from the surface leaving behind all the solid sediments which may also include salts.

The example of a testable scientific question is as follows:

One that comprises two variables such as the independent variable and the dependent variable.

Scientific Question is refer to as the which must have objective, and they must be testable. This means that the answer to a question must be able to be proven true repeatedly.

Does the angle of a walk change the distance a toy car will travel?

This question comprises independent variable (ramp angle) and dependent variable (distance the car travels).

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                  Testes

Answer:

macromolecule is created by small molecules called monomers.

I don't see the scale or parallelogram sorry I can't help you.

Answer: It is a rhombus.

Explanation:

image below:

Answer:

bounce check and insufficient funds

Explanation:

A is a check that you have written that you cannot pay due to bounced check or insufficient funds.

A bank reconciliation mainly computed by an accountant, gives the difference between the balance in relation to the bank statement and the cash balance with respect to the accounting records of the depositor in a particular financial institution.

In Financial accounting, a bank statement can be defined as an official summary or list of financial transactions, which typically comprises of the amount of money that has been paid into or withdrawn from an account by an individual or business entity over a specific period of time.

Bank customers are advised to frequently reconcile their records with bank statements in order to prevent non-sufficient funds (NSF) checks.

Therefore,  A is a check that you have written that you cannot pay due to bounced check or insufficient funds.

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Answer:

1. C. Process one describes cloning and process two describe artificial selection

Through cloning a genetically identical individual is obtained from a single individual. Through artificial selection a hybrid between two individuals with desirable traits is obtained.

2. C. Polygenic

A trait that has a continuous variation has a polygenic inheritance pattern as it is controlled by multiple genes.

3. C. The BW mice would have black and white patches

Codominant genes will produce an individual with an intermediate phenotype as both alleles are simultaneously expressed in the heterozygote.

4. D. Polygenic

Polygenic inheritance occurs when two or more genes determine a trait that has a continuous variation. Each gene has a small effect, but all together have a cumulative effect. Examples of such patterns are height, sking color, eye color, weight etc.

Radioisotopic dating and relative dating.