Which simple machine is best used to split apart an object?

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

Why do oceanic plates tend to subduction when colliding with a continental plate

Do plant cells perform cellular respiration?