What is NOT true about human impact trends of water use? 6.2

Advanced Placement (AP)

1 answer:

nadya68 [22]3 years ago

6 0

Answer:

Not 100% sure but I imagine it would have to be Choice A. Reasoning below

Explanation:

It is between choice A or C since they contradict each other.
Dams are used to create sources of electricity by backing water up and creating a pool of potential energy.
This backing up water creates a reservoir upstream, thus increasing the available freshwater in the reservoir.

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No, the 270 cm rope Clint has is not enough to do the job.

Explanation:

The height of tree where rope has to be tied = 180 cm

The distance of the stake from the base of the tree = 200 cm

We can say that the arrangement makes a right angle triangle, with the right angle situated at the base of the tree. The figure is attached below. Consult it for better understanding.

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Total length of rope = 269 + 30

Total length of rope = 299 cm

As length of rope required is 299cm, the 270 cm rope Clint has is not enough to do the job.