They are called paleontologists.
Answer:
The temperature of the surrounding air increases when the atmospheric CO2 level increases.
Explanation: Carbondioxide gas is a very important gas in the environment but high amount of it cause damage to the organisms.
Carbondioxide gas is also called greenhouse gas because it has the ability to absorb or trap heat energy when the solar radiation goes into the space after hitting the earth surface. If the concentration of carbondioxide gas is increased, more heat energy will be trapped and thus increase occurs in the temperature of the atmosphere which results in global warming.
Answer:
(especially of a person) having a jaw that does not project or recede so that the facial profile is nearly vertical
Explanation:
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When air is inhaled, oxygen diffuses from the alveoli into the blood to be used for respiration by the body’s cells. Carbon dioxide is a waste product made by the body’s cells during respiration.
