Which of the following is a disadvantage of wind as an energy source?
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a. it does not use fossil fuels.
b. it is a nonrenewable resource.
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c. it may alter habitats and harm birds.
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d. it produces greenhouse gases.

The steps in the formation of extrusive igneous rocks are listed below in an incorrect order: 1. rock melts due to high temperature. 2. rock is buried deep under earth's surface. 3. magma is forced out of earth's surface during volcanic eruption. 4. lava cools and crystallizes to igneous rock. which of these best shows the correct order of steps in the formation of extrusive igneous rocks? 1, 3, 4, 2 2, 1, 3, 4 3, 4, 2, 1 4, 2, 1, 3

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

La glucosa es el nutriente mas utilizado por las celulas en la respiracion celular en esta ocurre 4 fenomenos cuales son