Answer:
solids are more tightly packed together (the molecules) than liquid or gas so it allows it to travel through vetter/faster
I believe it is “animals and plants caanot directly use all the nitrogen found in our atmosphere”
Answer:
Glucose
Explanation:
Glucose is used by plants for energy and to make other substances like cellulose
<span>Intrinsic factor is a glycoprotein principally secreted by the parietal cells of the stomach. This secretion is needed to produce mature erythrocytes. Its secretion is governed by the same biochemical processes that regulate acid secretion and its action is to assist in the absorption of vitamin B12.</span>