Question 7 of 20 : Select the best answer for the question.
7. The Panama land bridge connecting Central America to South Americ-
A. since the first inhabitants arrived in South America.
B. for about two million years.
C. since the first inhabitants arrived in North America.
D. for less than one million years.
O Mark for review (Will be highlighted on the review page)

Going to say B. If this doesn't help lemme know! Hope this helps! enjoy your day/night.

Explanation:

bacteria – a word that often brings out a sense of uneasiness in most of us are, in fact, one of the earliest forms of life. it can be quite unnerving to know that there are bacteria all over your skin, hair, and even inside the body. but only a few species of bacteria are dangerous. the majority of bacteria are good, and without them, life on earth wouldn’t be possible. let’s learn more about how are bacteria essential for you to survive.