Composite volcanoes. Had this question on apex:)
Sometimes genes change their form in a process without a reason and it's called spontaneous mutation. Spontaneous mutations<span> occur with non-zero probability. And they occur even in an uncontaminated cell. They are characterized by the specific changes.</span>
Answer:
number 4 because they look similar in way like there maybe backwards?
a black hole?? (if not then welp-)
