Short answer - to breathe.
Long answer - the black streaks on the trunk of birch trees are called lenticels, and their function is to enable the exchange of gases between the tree and the air. So, in a way, this makes the whole process of photosynthesis a lot easier for birch trees.
Answer:
Because the duckling will have been imprinted on it, thinking the child on the tricycle is its mother
Explanation:
<span>If a plant is given less oxygen than what is present in the air, the plant will grow more slowly.
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I know that number 2 is ATP. Adenosine triphosphate (ATP) is a nucleoside triphosphate, a small molecule used in cells as a coenzyme. It transports chemical energy in cells.
