What macromolecules are targeted by amylase? nucleic acids lipids carbohydrates proteinsnevermind i got it it is carbohydrates

Describe five factors that influence the value of fuel

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

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?