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Lana71 [14]
3 years ago
12

Which of these changes is a benefit of using only nonpolluting sources of electricity?

Biology
2 answers:
zaharov [31]3 years ago
8 0

New technology-related jobs (APEX)


elixir [45]3 years ago
6 0
A. fewer cases of asthem a
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During what developmental stage do archaeologists find widespread domestication, agriculture, ground stone tools, and ceramic po
kiruha [24]
The answer is Neolithic or the New Stone Age. The Neolithic period is known for the spread of agriculture, used of stone tools and also the time where the cereal cultivation for agriculture and animal domestication were introduce and lastly the appearance of pottery is also known as a symbol during this time.
7 0
3 years ago
A performer, seated on a trapeze, is swinging back and forth with a period of 8.90 s. If she stands up, thus raising the center
iren2701 [21]

Answer:

8.800s

Explanation:

When the performer swings, she oscillates in SHM about Lo of the string with time period To = 8.90s.

First, determine the original length Lo, where for a SHM the time period is related to length and the gravitational acceleration by the equation

T = 2π×√(Lo/g)..... (1)

Let's make Lo the subject of the formulae

Lo = gTo^2/4π^2 ..... (2)

Let's put our values into equation (2) to get Lo

Lo = gTo^2/4π^2

= (9.8m/s^2)(8.90s)^2

------------------------------

4π^2

= 19.663m

Second instant, when she rise by 44.0cm, so the length Lo will be reduced by 44.0cm and the final length will be

L = Lo - (0.44m)

= 19.663m - 0.44m

= 19.223m

Now let use the value of L into equation (1) to get the period T after raising

T = 2π×√(L/g)

= 2π×√(19.223m/9.8m/s^2)

= 8.800s

7 0
3 years ago
A ribozyme is a catalytic protein that assists in the processing of the tRNA, true or false
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Oil drilling has a diverse and widespread effect on the environment. The infrastructure required to find and recover oil can des
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What is 25 m rounded to one significant figure?
Yuliya22 [10]

Answer:

20

Explanation:

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