Answer:
c. mosses
Explanation:
Primary succession occurs in places that have never been occupied by a community. Simple species are established first, as they help enrich the soil, allowing other species to become established. The first organisms to appear in areas of primary succession are often pioneer species such as mosses or lichens.
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Answer: the dam cause no more fertile soil to enter in to farmers land for growing crops hope this helps :)
Explanation: this dam has caused a big change to the lifes of farmers downstream from the dam. Usually when the river flooded once a year before the dam was built. It deposited fertile soil from upstream on its banks downstream. This washed up soil was extremely furtile, and renewed itself every year at in flood season. But now, since the dam was built the annual flood has been stopped. Causing all the farmers downstream to have to use fertilizers to grow their crops, which makes it more expensive.
Answer:
light dependant reactions
Explanation:
The impact of the automobile, in the US, isn't all positive: streets aren't safe for pedestrians, deer, and other animals, are killed in tremendous amounts on roads, and pollution from car emission harms everyone.
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1.) is caused by high temperatures.
It says it in the very first sentence. That it happens at high temperatures.
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