You can boil water to make water vapor. Then when the water vapor cools down again it becomes water again
True both the ring of fire and island arcs are places with a lot of volcanoes
Assuming purple is dominant, the genotypes of the parents must be Pp and pp, such that half the progeny have the dominant allele (P_) and half have the recessive phenotype (pp) 25% possibility of white-flowered plant life and 75% possibility of pink ones