Answer:
an explanation on how the natural world works
Explanation:
A scientific theory is simply an explanation into how the natural world works. Scientific theory is formulated after a series of hypothesis that has ascertained how true an observation is.
A theory is provides explanation into an observed feature. It can be disproved when new evidences are found. This brings about revision into scientific proofs.
The one that does that is the photoelectric effect. This allows the sun to hit the surface and produces enough energy for electrons to be knocked off the atom and allows a current to move.
When going round a corner your direction changes which means your velocity changes which means there is an acceleration.
Answer:
at the melting point and boiling point
Explanation:
the heat abdorbed is used to break down the forces holding the particles together to allow it to change its state
