Is Phytoplankton abiotic or biotic?

The movement of material due to differences in density is called?

All state legislators are the same. true or false

Are divergent boundaries responsible for tsunamis?

Explain how the quality of life varies for people living in the megacity of Mumbai

Match the country in column 1 with its colonial history in column 2. a. PortugalFought for and won control of the eastern half of what is now the United States b. SpainEnded up with large portions of eastern North America c.

Which European nation was the most influential in colonizing Brazil? A. Spain B. France Portugal D. England

What crops grow abundantly in the Central Valley of Chile? A) fruit, vegetables, and wine grapes B) sugar cane, rice, and oranges C) cacao, coffee, and bananas D) corn, wheat, and barley

Sections of active fault lines that haven't experienced a significant earthquake for a long time, even though adjacent sections have, are called a. stress accumulations. b. recurrence gaps. c. seismic risks. d. seismic gaps

What is the Trans-Siberian Railroad? a. the world's longest continuous railroad line b. the major link between Moscow and Europe c. the best way to travel between Russia and Afghanistan d. the shortest railroad in Siberia

What are the 4 different fields of study of Earth's systems?