Why must a scientific hypothesis be testable?

List and briefly describe three methods of preventing erosion of farmland.

What can you learn from an elevation map? height of geographical formations temperature of different areas population of different areas distances between cities?

Between which two parallels and which two meridians is the tip of africa located?

Where did the Reconquista take place?

The Dead Sea is a location where high evaporation rates occur. What can you conclude about the water in the Dead Sea?

Question: Which best describes Antarctica? Answers: A. It has a population of about two million people. B. It is a desert. C. It is a territory of the United Nations. D. It has ice on about 10 percent of its surface.

Which of the following is a belief of Judaism? A. Salvation comes only to those who practice rituals. B. A prophet wrote the direct words of God into a sacred text. C. The Gospels were written by the disciples of a savior. D.

The planetarium is not crowded on Wednesdays, so we should visit it then. Is this sentence an appropriate opening sentence for the purpose of the argument?

What three livestock were sent from the Americans to Europe

Greenhouse effect compare and contrast with global warming