The density of an object is 3 g/cm3. the volume of the object is 5 cm3. what is the mass of the object

If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?