Which of the following rivers makes up part of the US-Canadian border?

a. the Fraser River

b. the Yukon River

c. the Mackenzie River

d. the St. Lawrence River

What do air masses affect?

A common rock type found within oceanic crust is called?

What was a result of creating rail standardization? Railways were able to transport meat without spoilage. Trains provided cars with pull-down beds for overnight travel. Trains from different rail lines could use each other's tracks.

Which agricultural operation involves the use of mechanical devices such as jet sprays? a. harvesting b. packaging c. transportation d. handling and cleaning e. storage

How do the materials of the three major compositional layers of Earth differ?

Why did the Mongols launch the deadly attack on Nishapur

Which latin American country is the only nation ever created as a result of a revolt by enslaved people? A. Brazil B. Chile C. Haiti D. Aragentina

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