Many places on Earth are shaken by earthquakes. The Pacific Coast of the United States is one such area. What causes these earthquakes? erosion
gravity
solar heating
plate movement

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The influenza virus cause the flu, but not other diseases. why?

Which represents a negative impact of technology

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat