3. What is the biggest contributor to overall ecological footprint is? O electricity and heat
O burning fossil fuel
O energy transformation
O neutrons and energy

A, as , to a , as a , is as a. b. c. d.

The oldest seafloor in the atlantic ocean is located closest to the edge of the continents. explain how this age can be used to figure out when north america first began to separate from europe

Which statement is an accurate description of life in mongolia in recent years? the majority of the population now lives in cities. after a brief period of democracy, communists regained control of the government. subsistence farming remains the primary economic activity in the country. relations between mongolia and china are now tense. -gradpoint