A heavily wooded area needs additional solar collectors to meet energy demand. Which statement describes a possible environmental consequence of adding these collectors? A.
The amount of air pollution will increase.

B.
The amount of water pollution will increase.

C.
More trees will need to be planted to insulate the solar collectors.

D.
Trees will need to be cleared for the solar collectors to work efficiently.

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Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.

Apush or pull that moves or changes and object when to objects touch