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Tatiana [17]
3 years ago
13

Ecoststem with the harshest climate​

Physics
1 answer:
Lera25 [3.4K]3 years ago
5 0

Tundra

The tundra is an ecosystem that is considered the harshest ecosystem on earth. It is a treeless region whose climate is characterized by being cold, snowy, and windy with very little rainfall. It is covered in snow for most of the year.

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Do solids flow and how do they do that
Eva8 [605]

Answer:

solids cannot flow because the molecules a held tightly together

7 0
3 years ago
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A race car accelerates from rest to a velocity of +90 m/s over a distance of 423m. Determine the acceleration of the race car.
dlinn [17]

Answer:

9.57m/s²

Explanation:

Given parameters:

Initial velocity  = 0m/s

Final velocity  = 90m/s

Distance  = 423m

Unknown:

Acceleration of the race car  = ?

Solution:

To solve this problem, we should apply one of the appropriate motion equations;

      V²  = U²   + 2as

Where V is the final velocity

           U is the initial velocity

           a is the acceleration

           s is the distance

  90²  = 0²  + 2 x a x 423

  8100 = 846a

      a  = 9.57m/s²

4 0
4 years ago
Which graph represents the solution set of the system of inequalities?<br><br> {−2x+y≤4y&gt;x+2
Jet001 [13]

Answer:

The fourth graph is the answer

Explanation:

We have inequalities

-2x+y\leq 4      \rightarrow y\leq 2x+4

y>x+2

For the first inequality all points at or below the graph of y are solutions, and for the second inequality all the points above the graph of y are the solutions. So, the solution to these inequalities are points that are above the graph of y>x+2 and below the graph of y\leq 2x+4. The shaded region in the fourth graph satisfies these conditions.

<em>Looking at other choices, we see that the first two graphs do not even represent the graphs of our inequalities, and the third graph does represent the inequalities but shades the wrong region. </em>

P.S: the graph of the inequality y>x+2  is dashed because   y is "greater than" and not "equal to" x+2, so this indicates that the values on the line y=x+2 are not included. And the graph of the inequality y\leq 2x+4 is a solid line because y is "less than or equal to" 2x+4, so we are including the values on the line y=2x+4, and that's why it's solid.

6 0
3 years ago
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When developing a question for a scientific inquiry, the question will ideally  A.  identify variables.  B.  be measurable.  C. 
Rus_ich [418]
When developing a question for a scientific inquiry, the question will ideally D. all of these.
When it comes to a scientific inquiry, it is important that the question identify variables, be measurable, and not just simply ask why. There have to be a couple of variables, you have to be able to measure the results, and to prove them, supported by evidence.
6 0
3 years ago
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PLEASE PLEASE PLEASE HELP FAST!!!!!!!!!!!!!!!
aleksandr82 [10.1K]

Answer:

I have examined the different parts of blub and I assume the answer is (D)T and U

Hope this helps you

4 0
3 years ago
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