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4 years ago

15

Is oil from diesel a nonrenewable resource or a renewable resource?

1 answer:

faust18 [17]4 years ago

7 0

Petroleum is a mixture of various components such as petrol,diesel, lubricating oil,paraffin wax, etc

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The properties of metals depend mainly on the number and arrangement of neutrons<br> True<br> False

Sergeeva-Olga [200]

Answer:

False

Explanation:

Electrons

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3 years ago

Which statements describe the characteristics of a magnet? Select four options.

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Answer:

its a, c, d, and f

Explanation:

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3 years ago

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Olivia wants to find out whether a substance will fluoresce. She says she should put it in a microwave oven. Do you agree with h

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Disagree.
Fluoresce objects will only glow when put under actual Ultraviolet light. This is due to the molecules becoming excited by the ultraviolet radiation.

Microwaves give micro-waves that are present in another spectrum of wave length and will not be able to fluoresce the molecules. If it’s not “ultra violet “.... it’s not going to glow.

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A bicycle racer rides from a starting marker to a turnaround marker at 10 m/s. She then rides back along the same route from the

vitfil [10]

Answer:

12.31 m/s

Explanation:

If we recall from the previous knowledge we had about speed,

we will know that:

speed = distance/ time.

As such:

The average speed of the rider bicycle is

average speed = total distance/ total time

Mathematically, it can be computed as:

$v_{avg} = \dfrac{d+d}{\dfrac{d}{v_1}+ \dfrac{d}{v_2}}$

$v_{avg} = \dfrac{2d}{\dfrac{d}{10 \ m/s}+ \dfrac{d}{16 \ m/s}}$

$v_{avg} = \dfrac{2}{\dfrac{1}{10 \ m/s}+ \dfrac{1}{16 \ m/s}}$

$v_{avg} = \dfrac{2}{\dfrac{13}{80 \ m/s}}$

$\mathbf{v_{avg} =12.31 \ m/s}$

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A teapot with a surface area of 700 cm2 is to be plated with silver. It is attached to the negative electrode of an electrolytic

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