The answer is A. They produce food by photosynthesis.
The function of leaves is taken on by stems of such cacti.
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Question</u></h3>
what is one way the gas giants differ from the terrestrial planets?
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Planets that are largely comprised of rock, such as rocky or terrestrial planets, are not like gas giants. Unlike rocky planets, gas giants lack a clearly defined surface there is no obvious line separating the atmosphere from the surface. The atmospheres of the gas giants are primarily hydrogen and helium.
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<u>hope this helps...</u></h3><h3>
<u>have a great day!!</u></h3>
Answer: The epithelial cells
The endothelial cells .
<u>The epithelial cells are pulmonary while the endothelial are vascular</u>
These cells exist as tight-two celled structure for gas exchange in the lungs
They are moistened , thin layered , and use diffuse gradient of oxygen and carbon dioxide to move gases across their wall.s
They are well lined with blood capillaries for rapid absorption of gases into the blood stream,
The process of photosynthesis is onergy storing bocause the process converts light onorgy into chemical energy,
