The answer is b because there are cracks in the ocean that are caused by two plates crashing
If i remember correctly they should be adenine (A), thymine (T), guanine (G) and cytosine (C). i hope this helps. sorry if they arent all correct.
There would be an increase in "Zebra" and "Gazelle" population. This is due to the fact that there wouldn't be as many lions to eat the zebras and gazelles, causing their repopulation to become more frequent.
Carl Linnaeus
a guy from Sweden