Answer:
what is heat and transfer
When an opaque obstacle is placed between a source of light and a screen, a shadow of the obstacle is formed on the screen. The kind of shadow depends on the size of the source of light. In other words, the earth casts its shadow on the moon. The solar eclipse occurs when the moon comes between the sun and the earth.
The first one is actually 10 times as big as the second one.
Because of their places, the first one means 6000, and the second one means 600.
D. Speed and direction, this is because velocity is a vector quantity so has a magnitude and direction assigned to it because it is the rate of change of displacement.
The word "static" would be known to be friction as air rushing against an airplane