A2
B4
C1
D3
I think sorry if I get one wrong
Answer:
The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom.
Answer: Sample C is 62%.
Sample C would be best because it has the highest coefficient of absorption. <span>Sound absorption coefficient is defined as THE ratio of absorbed energy to incident energy and the higher the percentages, the better the absorption is. It indicates that most of the sound being absorbed and less is being reflected back. </span>
Very high level atmosphere
Answer:
The first option
Explanation:
The first option because in the water cycle, water does not change chemically but, it changes its physical form throughout the cycle. In other chemical cycles ,the element (such as carbon) changes chemically throughout its cycle making it the main difference between the water cycle and other chemical cycles.