Answer:
The probability would be 0%
4% of the carbon atom’s second energy level is filled.
Hope this helps :)))
Answer:
The heart valves
Explanation:
The heart valves prevent blood from flowing in the wrong direction in the heart. The valves are held in the proper place because of the chordae tendinae.
Answer:
C
Explanation:
the first 2 choices aren't even systems at all, and D is specifically talking about the water and not mentioning animals/plants at all.
hope this helps!
Answer: Im pretty sure it´s D.
Explanation: Manatees like to raise and feed their young in safe places so if we increase the amount of protected areas their population is more likely to increase.
Hope this helps!
