Why must a scientific hypothesis be testable?

APEX ... which of these is a way to increase the availability of freshwater? A-avoid water pollution. B-build thermal power plants. C-add water features to gardens. D-avoid drip irrigation systems.

A student notices that the moon is full one evening. Which sequence of moon phases will the student observe over the next eight days?

The city of paris, france is in which hemispheres?

Did montezuma welcome cortes because he believed cortes was a god.

What causes hurricanes?

In the Russian Federation, which official holds the most power? A. the Duma B. the president C. the prime minister D. the monarch

What caused south a erica and africa to change positions? What is a piece of evidence thats supports the theory that south america n africa were once connected Up.?

How did the Mediterranean climate influence culture in the region? A. It reduced the dependence on agriculture. B. It prevented sea travel. C. It forced people to work harder. D. It created a common cuisine throughout the region.

What imaginary line cuts across the top of south america?

How does having a large lake or an ocean nearby affect the climate of an area?