Answer:
Vectors have a size and direction. Each of the existing vector quantity has a magnitude and a direction. Having direction along with the magnitude is the difference of a vector quantity from a scalar quantity. Vectors are indicates with arrows.
To throw an object into the space you need to throw it with the escape velocity of the earth which is 11.2 km/sec. therefore if you can throw an object with the speed of 11.2 km/sec it will leave the earth atmosphere and will reach to the space.
I think it’s A. Because plates would have had to move to break up Pangaea
<span>The correct answer is an incident ray. The ray that is reflected is always reflected at the same angle at which the incident ray hits the surface. This of course only applies if it hits a straight surface, since hitting a lense would be different as it might reflect under a different angle or it might not even reflect.</span>
A. They must have a potential difference
Potential difference is voltage and voltage is basically the thing that causes current to flow