On Dec. 21, which of the following locations has the longest day or most hours of sunlight?

a. 40 degrees north b. 20 degrees south c. 40 degrees south

Which two Earth layers are separated by the Moho boundary?

4. 5. The natural population replacement fertility rate in the U. S a) 2.1 births per woman b) 3.9 births per woman c) 3.1 births per woman d) 4.

The Australian desert actually consists of four deserts. Find out the names of these four deserts.

Which of the following is an important principle of how water moves through a watershed? A. Most freshwater is in the form of ice. B. Small streams flow into larger streams. C. Each watershed contains only a single source of water. D.

Who led the Europeans at the Battle of Poitiers? Charlemagne Ferdinand Charles Martel Muhammad

Hungary is south of poland? True or false

Which of the following is not a natural cause of climatic change? A. Human activity B. Solar activity C. Earth's tilt D. Volcanic activity

Where are the cool and the hot regions of the mantle located under?

Limited water resources have promoted scientist developed ways to remove salt from seawater to make it usable for drinking in farming this process is called

The internet and cell phones are examples of what media