Answer: D. All of the above
Explanation: Low-density lipoprotein is one of the five major groups of lipoprotein which transport all fat molecules around the body, it can be called bad cholesterol. High level of Low density lipoprotein can lead to diverse health issues such as it increases the risk of cardiovascular diseases, it accumulates in the walls of blood vessels causing the blood vessel to be hard and thick leading to a disease called Atherosclerosis. However, physical exercise and a food with low or no cholesterol will help reduce the intake of Low density lipoproteins.
The answer would be 12 because Carbon has 6 Protons, which means that it has the same number of neutrons and electrons.
Pangea was the supercontinent that had all the landmasses of earth together before the Triassic period and that broke up into Laurasia and Gondwanan. However, Panthalassa is a prehistoric ocean that was surrounding Pangea.
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Answer:
Gas exchange occurs at two sites in the body: in the lungs, where oxygen is picked up and carbon dioxide is released at the respiratory membrane, and at the tissues, where oxygen is released and carbon dioxide is picked up.
Explanation:
Warm ocean currents originate near the equator and move towards the poles or higher latitudes while cold currents originate near the poles or higher latitudes and move towards the tropics or lower latitudes. The current's direction and speed depend on the shoreline and the ocean floor.