Which of these sources of power can reduce the emission of carbon dioxide?

oil

wind

coal

natural gas ... this one

Which civilization are geometry and arithmetic skills closely associated with? Assyrian Babylonian Israeli Sumerian

What do Canada and the United States have in common? check all that apply

A primary consumer would recelve about how much percent of the original energy that enters an ecosystem from the Sun.

Why was the huang he river also called the "river of sorrows?"?

What might farmers start growing due to dire economic circumstances? 1.) Soybeans 2.) Poppies 3.) Rice 4.) Wheat

What is a symbol a. A specific icon used to indicate a feature such as rocks b. A specific icon used to indicate a feature such as letters c. A table defining the colors letters and keys such as rocks d.

A materials demonstrating low to heat conduction would be categorized under which property catagory? Electrical Thermal Optical Magnetic Mechanical

What is other name given to el nino

N 1991, what prompted a huge uprising in the Balkans causing ethnic squabbles and general tension?

Factors that contribute to people becoming refugees?