How does meiosis lead to genetic variability within a population use s. fimicola?

The body is protected against harmful flu viruses by

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?

Talking listening and reacting non verbally are all part of communicating