Because water is so abundant on Earth, oxygen and hydrogen must make up a majority of the known matter of the universe. True / False.

These countries are well-positioned along the trading routes of the Atlantic and Pacific Oceans. A) Argentina B) Brazil C) Chile D) Colombia

Which of the following rivers is one of the longest rivers in North America and used to transport goods? A. the Fraser River B. the Yukon River C. the Mackenzie River D. the St. Lawrence River

On a weather map, high pressure is generally represented by what color? blue green yellow red

Which world culture region includes pat of three continents?

Two drivers are driving in clear ocean water at a depth of 175 m. One driver shows a white marker board to the other with writing on it. What color will the marker board appear to be A. orange B. red C. violet D. blue

Why does the water in the ocean feel cold even though water holds heat?

Why are the earth's layers in the order that they are?

Why was alexandria the cultural center of the hellenistic era?

Ano ang I big sabihin ng georapiya

How do most meteorites get from the asteroid belt to the Earth?