3 years ago

A substance has a melting point of 0c and a boiling point of 100c the substance Is most likely

1 answer:

7 0

Water has those melting and boiling points.

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aleksklad [387]

Uhhh I believe it’s D.

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lutik1710 [3]

Augustinian friar Gregor Johann Mendel.
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drek231 [11]

Life would be very hard because then they may not be able to survive

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inessss [21]

The answer is coal, C.
It takes a long time to regenerate, therefore it is labelled as non renewable energy.

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3 years ago

tekilochka [14]

Answer: Her speed is 4.4 m/s, and her velocity is 0 m/s.

Explanation:

Formulae : $\text{Speed}=\dfrac{\text{Distance}}{\text{Time}}$

$\text{Velocity}=\dfrac{\text{Displacement}}{\text{Time}}$

Given: Length of track start to finish= 400 meters

After completing its 4 laps, total distance covered = 400 × 4 = 1600 meters

Time taken by Lila = 6 minutes

= 6 × 60 seconds [There are 60 seconds in 1 minute.]

= 360 seconds

Then, $\text{Speed}=\dfrac{1600}{360}=\dfrac{40}{9}m/s$

$= 4.44\ m/s$

But from start to finish displacement = 0 m [displacement is the shortest distance between starting point to the finishing point]

So, $\text{Velocity}=\dfrac0{360}=0\ m/s$

Hence, Her speed is 4.4 m/s, and her velocity is 0 m/s.

8 0

3 years ago