Briefly explain how convection transfers heat. What will be an ideal response?


When a material is heated, it expands. Its density decreases, so it rises. After having risen some
distance, it begins to cool, contract, and become denser. Thus, the material sinks and returns to the
original level, where it will eventually be heated and rise again.

Environmental & Atmospheric Sciences

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The industrial and agricultural hub that encompasses western Russia, northern Kazakhstan, Ukraine, Belarus, and Moldova is called the __________ __________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

A thin layer of unconcentrated surface water flow is called ____________________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Carbonate rocks contain the ________ ion as part of their chemical composition.

A. CO32- B. CaCO32- C. CaO32- D. limestone E. Carbonate rocks do not contain ions.

Environmental & Atmospheric Sciences

Why are both Canada and the United States known as federal states?

What will be an ideal response?

Environmental & Atmospheric Sciences