Which activates a convection current, starting the flow of a fluid?

A. Cold temperatures at the North Pole

B. Heated liquids at earth's surface

C. iron-rich rocks in the mantle

D. temperature differences in the mantle

Identify the examples Landslide/mudslide/slump/creep A telephone pole leans downhill

A topography map is used to study changes in vegetation associated with different elevations. Which individual most likely used them for this purpose?

How do i use sea-floor spreading in a sentence?

Which of the following would be a result of increased solar activity? A. Longer winters B. Shorter summers C. Warmer-than-normal sea surface temperatures D. Colder-than-normal sea surface temperatures

What percentage of the solar energy that reaches the marsh is incorporated into gross primary what percentage of the solar energy that reaches the marsh is incorporated into gross primary production?

Ice hotel facts? in sweden

Compared with the land in the highlands, the lowlands region of England is___. A) Rockier and more difficult for farming B) The center of business and industry C) Richer in coal reserves D) Covered by more fertile farmland Answer: D) Covered by more

What are the three main types of erosion caused by glaciers?

How do we know that africa was the birthplace of the earlist humans

What would happen if the wernicke's area is damaged?