71 million years ago. Hope it helps :)
Answer:
By planting 2-8 trees for every tree cut.
Explanation:
It's common knowledge that trees grow slowly, and cutting all these trees makes endangerment and extinction very plausible. So planting many trees for every ONE cut will help the species.
A vast, flat,treeless arctic region of Europe,Asia,&& North America in which the subsoil is permanently frozen.
I believe its true, i'm not entirely sure.
Answer:
liquid is the most dense and crust is the least dense
Explanation: