SHORT-ANSWER QUESTIONS : Answer in 10-15 words
1. Does soil contain air ? How is this air useful to certain organisms?
2. What happens to the oxygen gas taken up by all living organisms?
3. What does the formation of droplets on the outer surface of a beaker
(as shown alongside) containing ice cubes indicate ?
4. How is the respiration similar to combustion of fuels?
5. What is meant by the term humidity ?
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Answer:
4.
Many people might not see an obvious link between cellular respiration and the combustion of gasoline. ... However, combustion and respiration are remarkably similar in that in both contexts one fuel source is broken down in a way that releases its energy in a form that is usable.
5.
Humidity" refers to the presence of water vapor in the atmosphere. ... At any given temperature and pressure, air can "hold" only so much water vapor before the vapor begins to form liquid water drops, such as fog or clouds. At 100% relative humidity, the air is saturated.
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