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sineoko [7]
3 years ago
8

which of the following energy transformation occurs when a skier glides down a hill. A. potential energy is transformed into kin

etic energy and heat energy. B. kinetic energy into potential energy and chemical energy C. gravitational energy is transformed into potential energy and heat energy
Chemistry
1 answer:
GarryVolchara [31]3 years ago
4 0
The answer is C. hope this helps ;)
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Which type of rock is most likely to form because of high heat and pressure?
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Answer:

Metamorphic Rock

Explanation:

Metamorphic rocks are formed because of high heat and pressure . Metamorphic rocks form from heat and pressure changing the original or parent rock into a completely new rock. The parent rock can be either sedimentary, igneous, or even another metamorphic rock

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The first step in deforestation in the Amazon is _______. A. Logging b. Farming c. Ranching d. Road building.
scoray [572]

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Explanation: The answer is A. logging

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3 years ago
What are the units of density
Nataliya [291]

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Kg/ ml

Explanation:

Hope I help you

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6 0
3 years ago
given that the speed of light is 2.998 x 108 m/s, what is the frequency of a wave that has a wavelength of 3.55 x 10-8 meters
Vesna [10]
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f = 2.998 * 10⁸ / 3.55*10⁻⁸

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8 0
3 years ago
calculate the number of moles of sulfuric acid that is contained in 250 mL of 8.500 M sulfuric acid solution
san4es73 [151]

Answer : The moles of H_2SO_4 are, 2.125 mole.

Explanation : Given,

Molarity of H_2SO_4 = 8.500 M

Volume of solution = 250 mL  = 0.250 L    (1 L = 1000 mL)

Molarity : It is defined as the number of moles of solute present in one liter of volume of solution.

Formula used :

\text{Molarity}=\frac{\text{Moles of }H_2SO_4}{\text{Volume of solution (in L)}}

Now put all the given values in this formula, we get:

8.500M=\frac{\text{Moles of }H_2SO_4}{0.250L}

\text{Moles of }H_2SO_4=2.125mol

Therefore, the moles of H_2SO_4 are, 2.125 mole.

5 0
3 years ago
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