The fact or state of being engrossed within something.
or
the process or action by which one thing that absorbs or it is absorbed by something else.
Protoplanets are bodies or celestial objects which have the same size as the moon or a bit bigger. These bodies develop to eventually become planets. Therefore, the answer to this item is most likely letter D. outer planets.
Answer:
False
Explanation:
Scientist believe that the primitive atmosphere lacked free oxygen. Oxygen is a highly reactive molecule that would have made difficult for complex macromolecules to appear and then create life. Rocks from the precambrian period support this theory.
Anaerobic cells appeared first, then photosynthesis appeared filling the atmosphere with oxygen and the aerobic organism develop cellular respiration to obtain energy, a process more efficient than anaerobic respiration.
Answer:
The answer is D. Kidneys absorb more water,volume of water lost from the skin increases and the hairs on the skin lie flat
Answer:
C.
It controls the entry and exit of substances.
