Answer:
The four main classes of organic compounds (carbohydrates, lipids, proteins, and nucleic acids) that are essential to the proper functioning of all living things are known as polymers or macromolecules. All of these compounds are built primarily of carbon, hydrogen, and oxygen but in different ratios.
Explanation:
<span>Lipids insulate against the cold.
Fat is our natural coat produced by the over eating process. Not really sure, but it comes to mind that the layer under the skin can be the main reason for it as it prevents and keep our inner parts warm. Also the high blood flow that it demands can help by over circulating it.</span>
Answer:
I am pretty sure it's D.
Explanation:
a short branched extension of a nerve cell, along which impulses received from other cells at synapses are transmitted to the cell body.
Relative dating best helps determine fossil age. It's where layers of sedimentary rock and fossils pile up on top of each other; the oldest fossils being in the bottom layer and the youngest in the top.
I think the correct answer from the choices listed above is option C. The statement that is correct about the cave and geyser would be that the <span>cave is formed when groundwater reacts with the limestone in rocks and the geyser is formed when groundwater gets heated. Hope this answers the question.</span>