Answer:
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Explanation:
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Surfaces where O2 diffuses into the blood and CO2 diffuses out of the blood. Each lung contains millions of these sacs. The small round alveoli allow for an amazingly large surface area for this gas exchange to take place. ... Therefore, the greater the surface area, the more gas exchange can occur.
Answer: Climate change is as well a great danger to the deciduous forest. When other types of chemicals are released in the air the wind, rain, clouds and temperature. This can ambush chemicals and has the ability to move them across the forest causing different weather patterns. In drastic conditions this can become permanent.
Answer:
you would use two trees and watch them for a specific amount of time(a month or two). measure them each day to see how much they grow.One tree with the fertilizer and one without
