Most lakes were formed
a)melting glaciers
b)shrinking oceans
c)volcanic eruptions
d)excessive precipitation

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?