Spring tides:

are the lowest tides
happen during the new moon
occur three times a year
all of the above

What is impossible to do with a hypothesis

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?