Please help this is due in an hour:)

Plz will mark! 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 molecules does hemoglobin decay into over time

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.