The theory that the Earth's crust and part of the upper mantle are broken into sections that move on a fluid layer of the mantle is called ...

A. Continental Drift

B. Wegener's Theory

C. Sea Floor Spreading

D. Plate Tectonics

What is one way that scientists could try to determine if the Rocks are residual (from the area) or transported from far away?

The Articles of Confederation established a strong national government. a. True b. False

Which capital city lies 8,727 feet above sea level in the mountains of colombia?

What causes an object to move, change direction or change speed? a balanced force an unbalanced force any force exerted on it

A 300 kg car travels at 11 m/s. what is its momentum

Two sounds are played for you. The first has a frequency of 196 Hz. The second has a frequency of 392 Hz. Which sound will be "higher" to your ear? A) The First B) The Second C) They will sound the same

When is an object that has been dropped from a great height through the air closest to vein in a free fall? At it's terminal velocity < - - this one?

A 0.300-kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.200-kg puck moving initially along the x axis with a speed of 2.00 m/s. After the collision, the 0.200-kg puck has a speed of 1.00 m/s at an angle of? = 52.0

Ariella drove 40 miles to see her cousin. The trip took Ariella 2 hours. Then drove from her cousins house to a store for 30 miles. It took Ariella to hours to Ariella to arrive at the store. What was the average speed of the trip

A meandering river is flowing in a broad, alluvial valley and the river is silt-laden but also moves sand and a small amount of gravel. The government decides to build a dam across the valley for power and flood control.