Answer:

Explanation:
From the question we are told that
Distance 
Time
Time
Generally the the equation for the distance traveled is mathematically given as



Generally equation for speed of side walk is mathematically given as




A solar panel are most efficient under natural sunlight, however, a solar panel can work using artificial light simply because a solar panel collects photons which collide with silicon atoms transferring their energy which cause them to lose electrons.
Option number three is correct energy can be transformed and moved and released but it can't be destroyed and doesn't disappear.
Melting. Water freezes at 0 degrees celsius or 32 degrees fahrenheit and therefore water freezes at that temperature or ice melts back to its liquid state at those temperatures.
Answer:
to help people breach in fresh air
Explanation: