To maintain a stable environment.<span />
People breathe out Carbon Dioxide and plants use that Carbon Dioxide to carry out photosynthesis. Plants release oxygen as a by- product that people use for cellular respiration.
I think it depends on what it is about.. Did your teacher give you a punnett square or anything like that?
C is for question 1 and 2
The anterior side of the heart is the side the uppermost point or peak is pointing to. The posterior surface lies opposite to the uppermost point.
<h3>What is heart?</h3>
The heart is a fist-sized organ that is located around the chest region or breast bone that pumps blood to the body. It's the primary organ of the circulatory system. The heart have four main chambers made of muscle and powered by electrical impulses. The brain and nervous system influence heart's function.
Therefore, The anterior side of the heart is the side the uppermost point or peak is pointing to. The posterior surface lies opposite to the uppermost point.
Learn more about heart here.
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