Completeaza legenda desenului alaturat, care reprezinta o sectiune transversala prin frunza

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?

Can someone i have no idea of how to do this.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes