What part of the Earth's mantle is made up of superheated plastic like rock

How did airports encourage city growth? a. they promoted the building of hotels, restaurants, services and rapid transit to accommodate travelers b. they are so big and require so much land that they need a larger population to be sustained c.

What happens to the sun's energy as it travels through Earth's atmosphere

Why are ecologists unsettled on whether or not any truly commensal interactions among organisms?

The fossils of multicellular life forms observed in rocks a. are bones that have lithified into rock b. are found mostly in igneous rocks. c. are proof of the young age of the Earth. d. are no older than ~600 million years.

In rural North Africa, it is not unusual to see ... working in the fields? a. people working in midday b. modern tractors and reapers c. wooden plows pulled by camels

Where did the big bang occur? where did the big bang occur? near the center of the milky way galaxy. near the andromeda galaxy. several billion light-years away. near the earth. throughout all space?

Convection currents in the plastic mantle are believed to cause divergence of lithospheric plates at the

Which movement is completed in a 24 hour time period? A the moon completing a revolution around Earth B the outer planets orbiting the sun C Earth completing a revolution around the sun D Earth completing a rotation on its axis

What is upwelling for science

Which principle is found in The Declaration of the Rights of Man and in The Citizen? a. Constitutions should be based on Christian teaching b. Women should have the right to vote. c. All governments should be direct democracies d.