If the sun is directly over your head at noon and nothing is really casting any shadows,

where are you and what day could it be?

South pole, December 21

North pole, December 21

Equator, March 20

Equator, June 21

The spreading and mixing of cultures is called

It has been observed that forest fires can produce up to 40 percent of the mean annual global emissions of which of the following gases? A. nitrogenB. carbon dioxideC. oxygenD. All of these

What is the population of the world right now?

Why do Russia and the republics receive limited precipitation

Our solar system is at the outermost edge of our galaxy A. True B. False

The Endangered Species Act does which of the following? A.) pays farmers in Costa Rica for protecting natural resources B.) protects threatened and endangered animal population by law C.) encourages communities to recycle their waste materials

The North American Free Trade Agreement is an economic region that ties together what 3 countries?

A body of water in which eutrophication has occurred?

Which is not an abundant natural resource found in Africa? 1) Diamonds 2) Palm oil 3) Coal 4) Farm land

In the rock cycle what happens when heat and pressure are applied to sedimentary rock without melting the rock