What is the flash of light commonly associated with thunderstorms called? a. Downdrafts
b. Updrafts
c. Return stroke
d. Thunder
e. Step-leader

C.

Explanation:

Return stroke

A return stroke is termed to be the most visible part of a lightning, which in itself is accompanied by a thunderstorm. Lightning causes thunder, which like I said, is a sound from the shock wave that develops like gases in the areas of the discharge. While experiencing a sudden increase in its pressure. Lightning occurs naturally and is electrically charged.

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle

answercollision;