What causes a supergiant to become a supernova

How are earthquakes and tsunamis related?

Which type of climate is experienced in the northern countries of South America?

Comment on the major threats humanity is exposed to. How does the risk associated with extreme natural hazards compare to extreme anthropogenic hazards? In your assessment, are non-human threats more severe than human-caused threats?

Which of the following statements is true of moderate climates? A. They are found near the Equator. B. The ocean affects their temperatures. C. They experience very low precipitation. D. They are found in mountain regions.

According to Newton's third law, the Voyager probes pulled just as hard on Jupiter as it did on them when they flew past it. Why were they accelerated enough to leave the solar system but Jupiter still is in orbit about the Sun?

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?