The mantle makes up % of Earth’s mass.
NEED ANSWER ASAP PLZZ HELP MEE NEED ANSWER ASPPP

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b. organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.

Why do mountaineers become breathless as they reach high altitudes

How do you suppose living conditions differ between the country furthest along in the demographic transition compared to the country earliest in the transition? how would living conditions in these two countries affect both birth and death rates?