A new highly nutritious crop is going to be planted in an area where it has never been planted before. Which is the most likely outcome of such an event? positive as it malnourishes the local population
positive as it changes local biodiversity
negative as it threatens local biodiversity
negative as it malnourishes the local population

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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

What material did the moon come from?