Earth's climate over the last three million years is best characterized by a. persistent global warming. b. both ice ages and normal periods. c. alternating glacial and interglacial periods. d. warmer-than-average temperatures throughout earth's geologic time.

Largest delta in the world. kidhar hai market mein india

Why are nongovernmental organizations important? check all that applya. they are private institutions that aid the work of government.b. they often fill in gaps between government-funded services. c. they are private institutions that attack government policyd. they citizens by acting as watch dogs over elected officials

Nwhat way does renewable energy differ from nonrenewable energy?