Aquatic animals like fish excrete their wastes in gaseous form as

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

What is required in the genotype of an individual to show a recessive trait? a.two recessive alleles b.at least one recessive allele c.no recessive alleles

Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?