What must happen to igneous rock before it can change into sedimentary rock? a. it must be broken down into sediment b. it must melt and become magma c. it’s minerals must be dissolved in water d. it must be exposed to high pressure and temperature

sexual reproduction produces offspring with novel combinations of genes. species that reproduce sexually must maintain two different types of individuals, males and females, which can limit the ability to colonize new habitats as both sexes must be present.

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.