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Sever21 [200]
3 years ago
6

Human activities that impact the water cycle

Physics
1 answer:
xeze [42]3 years ago
3 0

Answer:

d

Explanation:

A number of human activities can impact on the water cycle: damming rivers for hydroelectricity, using water for farming, deforestation and the burning of fossil fuels.

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Which method of testing substances is a sure way to identify a chemical reaction?
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B

Explanation:

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3 years ago
The dimensions for force are the product of mass and length divided by time squared. Newton's second law states that force equal
maw [93]

Answer:

L/T^2.

Explanation:

Dimensional analysis is defined as the analysis of the relationships between different physical quantities by identifying their base quantities (such as length, mass, time, temperature etc.) and units of measure (such as miles vs. kilometers, pounds vs. kilograms etc.).

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5 0
3 years ago
A fine-grained sedimentary rock is known as _____.
Yakvenalex [24]
The finer‐grained<span> s</span>edimentary rocks<span> are called shale, siltstone, and mudstone</span>
5 0
3 years ago
A car travels along a straight line at a constant speed of 60.0 mi/h for a distance d and then another distance d in the same di
Makovka662 [10]

Answer:

velocity during second d = 20.0 mi/h

Explanation:

Total distance travelled is 2d, with an average velocity of 30.0 mi/h you can express the time travelled in terms of d:

distance = velocity * time

time = distance / velocity

time = 2d/30.0

The time needed for the first d at 60.0 is:

time = d/60.0

The time in the second d you can get it by substracting both times (total time - time for the first d)

second d time = 2d/30.0 - d/60.0

= 4d/60.0 - d/60.0

= 3d/60.0

and with the time (3d/60.0) and the distance travelled (d) you can get the velocity:

velocity = distance / time

velocity = d / (3d/60.0)

= 60.0/3 = 20.0 mi/h

8 0
3 years ago
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