X chromosomes and X chromosomes develop as a girl and X and Y develop as a boy
Answer:
Volcanoes, geysers, and hot springs all provide clues about Earth's interior. They also show one of the ways that Earth's layers interact with each other.
Explanation:
It would be placer because you are not digging up any ground..if that is not right it might be none because if you are messing with water environments you are still messing with it which could not be good
Cycles related to earths movement. they are now called milankovitch in his honor
