The spinal cord is made up of bundles of nerve fibers.
The correct answers is:
is formed when fuel is burned at high temperatures
<em>Nitrogen dioxide is another toxic gas that forms when fuels are burned at high temperatures.</em>
is the most abundant gas in the atmosphere
<em>The most abundant gas is nitrogen. Over 78 percent of the air we breathe is nitrogen (N)</em>
can cause acid rain
<em>Both nitrogen dioxide and sulfur dioxide can cause acid rain. The damage done by acid rain is devastating to the plants and animals in an ecosystem.</em>
is a major pollutant in the air
<em>AQI measures five major pollutants, including carbon monoxide, nitrogen dioxide (NO2), and sulfur dioxide (SO2).</em>
Wrong answers:
is a waste product of photosynthesis
<em>The waste product of photosynthesis is oxygen.</em>
<span>Water covers around 70% of the Earth's surface and its high specific heat plays a very important role as it is able to absorb a lot of heat without a significant rise in the temperature. When temperatures decrease, the heat which is stored is released, restraining a rapid drop in temperature. The combined effect of these processes is a buffering of temperature on the Earth.</span>
Answer:
Step 2: The right ventricle pumps the oxygen poor blood to the lungs via pulmonary valve. Step 3: The left atrium receives oxygen -rich blood and pumps it to the left ventricle. Step 4: The left ventricle pumps the oxygen-rich blood via aortic valve, submitting this blood through the entire body.
Explanation:
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