The dark smooth surface of the moon are known as Craters.
It is the birth rate because the other answers do not fit. Migration rate would be the rate at which people move to the country, meaning they weren't born there. Urbanization rate has to do with the movement of people to urban areas, which has nothing to do with birth. Death rate has to do with the death of people in a country which is the opposite of being born. Therefore, A is the only logical answer.
Answer:
B. Pangaea
Explanation:
Pangaea or Pangea was a supercontinent that existed during the late Paleozoic and early Mesozioc eras. It assembled from earlier continental units approximately 335 million years ago, and began to break apart about 175 million years ago.
the second one 40 n. 105 w