Hello My name is Mrs. Luny I am 67.I have some questions who wants to know my brownie recipe it's so yummy.

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same