Why is Siberia much colder than Western Russia?

The original source of all sand is

Which feature is formed on the ocean floor when tectonic plates are pushed together so that one plate moves under the other? A. ocean ridge. B. ocean trench. C. seamounts. D. plateau. E. mountain.

Where would you look to find out how distances on a map compare to the actual distance on land

Study the graph of the Jewish population in Palestine through 1945. A bar graph titled Jewish Residents in Palestine from 1880 to 1945. The x-axis is labeled Year with years 1880, 1900, 1914, and 1945.

Why did harriet tubman decide to excape alone

When does a protostar become a true star? A) when the star is 1 million years old B) when the central temperature reaches 1 million Kelvin C) when nuclear fusion begins in the core D) when the thermal energy becomes trapped in the center E) when the

Which cultural achievements occured in nothern and southern europe?

When the force on rocks is great enough, they break, producing vibrations called what?

Name two layers below earth's surface in which convection takes place

What are the main arguments for exploiting the amazon rainforest