Why is earth's crust rigid? give details.
u sooo much if you answer!

(also, i put this under biology because i don't know what it goes under)

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat.o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat.habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

Is there any solid scientific evidence that humans have been cloned?

Which label correctly identifies what x represents in the concept map?