HELP PLS ! What causes the frequent migration of animals in Africa? A. Global climate change
B. Political boundaries drawn by colonizers
C. Genocides
D. Water sources changing locations frequently

What is the primary justification of the hypothesis that the early earth environment was void of oxygen? ( 2 points) data showing the concentrations of gases extracted from rocks fossil evidence regarding the origin of eukaryotes generally accepted atmospheric conditions molecular evidence based on evolutionary traits.

Which area on the map would be most likely to have the most oil exploration in since the start of the 21st century? a) b) c) d) plz me

How does the use of fertilizers impact the environment?