Hey there,
Your answer is:
<span>Hydrogen turns into helium.
</span>
Hope this helps...Good Luck
Water (H2O) takes up more than 60% of the body thus the answer is C
4 billion years ago the temperature was much higher due to repeated volcanoes and hot gases present in the atmosphere. There weren't any live forms on earth. ... The atmosphere had a different concentration of gases on the earth. There were no life sustaining gases.
Answer:
Any combination of D, E and F
Explanation:
Since A, B, and C belong to different orders, and D, E and F belong to the same order, the latter are more closely related and thus are expected to show a greater degree of structural homology. They are closer to their common ancestor than A, B and C.
Answer:
1. filtration , reabsorption , secretion .
2.kidney , ureters , bladder , urethra , pinusia
3.artificial kidney
Explanation: