The larger the amount of data collected, The larger the sample size,
The more times the experiment is repeated,
The less valid are the results.
A True
B False

the moon affects the earth gravitation ally, causing certain motions of that body and also producing tides in its ocean and atmosphere. the tidal wave in our atmosphere is, however, far too minute to be an effective cause in any known meteorological phenomenon.

explanation:

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this