Why does salt thrown on a frog's body will kill it?

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

Why does sexual reproduction result in more genetic variation in a species

Aplant with dark red flowers is crossed with a plant with white flowers. all of the offspring have dark red flowers with white spots. the alleles got flower color in this plant are both dominant both recessive codominant incompletely dominant