According to the passage, which statement is true about wind energy?
Responses
A It is clean and non-polluting.It is clean and non-polluting.
B It is not as useful as fossil fuels.It is not as useful as fossil fuels.
C It is costly and hard to produce.It is costly and hard to produce.
D It is only effective near water.It is only effective near water.
A It is clean and non-polluting.
Add or subtract.
6. (5x ^ 2 + x - 3) - (- 2x ^ 3 + 4) (1 point)
O - 2x ^ 3 + 5x ^ 2 + x - 7
O - 2x ^ 3 + 5x ^ 2 + x + 1
2x ^ 3 + 5x ^ 2 + x - 7
2x ^ 3 + 5x ^ 2 + x + 1