Answer:
1) if mother nature pressures a species to evolve they will not evolve right therefore they past on to their offspring and the they die.
2)mass extinction occurs when something BIG happens take dinosaures for ex they were wiped out by something HUGE this was all proving by sci because of the fossils
3) the meteor (i think)
4) i don't know
Explanation:
sorry if I am wrong for any of these
have a nice day
Answer:
The oceanic crust is forced under the continental crust and into the mantle. Crompression causes mountains to form on the continental crust. Material in the mantle melts as volatiles seep out of the oceanic crust. The molten material rises to the surface, forming a continental volcanic arc.
Explanation:
hey ur not stoopid it's just the teachers
Sea that is the answer????????????
Hello There! ^_^
Your question: What were the three main Indian groups before European explorers arrived..?
Your answer: The Mayan, the Aztecs and the Incas were the three main Indian groups before European explorers arrived.
Hope this helps!