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mrs_skeptik [129]
4 years ago
9

As populations in North America grow, so does the need for wood to build houses, stores, and other buildings. Select the stateme

nt that best describes the long–term global effects of this behavior.
Physics
1 answer:
Rainbow [258]4 years ago
7 0
In order to meet the demand, forests have been cut down at an alarming rate. If we do not find another source of building materials, our forests, an important natural resource, will all disappear.  AKA. Deforestation.
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Given that average speed is distance traveled divided by time, determine the values of m and n when the time it takes a beam of
emmainna [20.7K]

Answer:

5,2

Explanation:

From the question we are told that:

Speed of light C=3.0×10^8 m/s.

Generally the equation for Average Speed is mathematically given by

V_{avg}=\frac{d}{t}

Where

d=Distance between the Earth and the sun

d=1.5*10^11m

Therefore

t=\frac{d}{V_{avg}}

t=\frac{1.5*10^11m}{3.0×10^8 m/s.}

t=5*10^2s

Since m and n is given in the form of

m*10^n

Therefore

m=5 & n=2

5,2

3 0
3 years ago
What are the different types of Energy transformations and Energy Transfers?
Harman [31]

Explanation:

Here are some of the ways that energy can change (transform) from one type to another:

The Sun transforms nuclear energy into heat and light energy.

Our bodies convert chemical energy in our food into mechanical energy for us to move.

An electric fan transforms electrical energy into kinetic energy.

7 0
4 years ago
What resistance would produce a current of 200A with a potiential difference of 200V?
viktelen [127]
Aw, I hate physics, is this on Apex?

Resistance can be calculated with the information given in the question.
Equation for Resistance: R = V/I
V (voltage) = 200 Volts
I (current) = 200 Amps

So 200 divided by 200 = freaking 1

Answer: R = 1 (ohms)

Hope this Helps!

5 0
3 years ago
Explain, using numbered steps, how you could find the volume of a small, irregularly shaped rock.
dmitriy555 [2]
<span>1. Get a graduated cylinder. 2. Fill the graduated cylinder to a known amount of water. Record the amount of water in the cylinder. 3. Place rock into the graduated cylinder 4. Measure the new volume of the graduated cylinder with the rock in it. 5. Take the difference of the new volume and the old volume and that is the volume of the rock.</span>
8 0
3 years ago
Why might scientists measure the mass of object rather than the weight of an object?
Marina CMI [18]
Because they have different measurements and weight and mass and some measurements are the same

3 0
3 years ago
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