Answer:
Chemical
Explanation:
A chemical change is also known as chemical reaction. It is a change that results to the formation of a new substance.
We have discovered 786 planets. Most of which were only recently discovered.
Answer:
Meter
Explanation:
The competition between the three quarterbacks is with respect to how far the ball would be thrown by each person, which is the distance covered by the ball. The thrown ball is an example of projectile, which would move over a certain distance.
With respect to the measure to be used in the competition, the appropriate SI unit is meter. This is the measure of length or distance covered.
Answer:
Technically everything has somewhat of a magnetic field. I guess
politics. Famous possible eg is of Werner Heisenberg in WW2. He delayed German attempt to build a nuclear bomb. US did build one ... hiroshima and nagasaki.
debbie may have got skilfully lucky by trial and error