Universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago.
Answer:
the bank is differentiate
The correct answer for the question that is being presented above is this one: "b. has a much lower rate of primary productivity." Compared to an ecosystem with just a single stage of succession, an ecosystem with a variety of successional stages <span>b. has a much lower rate of primary productivity.</span>
There are 4 atoms in ammonia.
