The blue whale is the largest mammal in the whole world, so it has to breathe air just like all other sea mammals. How long can it say under water. A.) 1 hr. B.) 10 min. C.) 45.min D.) 1 1/2

The blue whale can stay under water for 90 minutes. D

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

a plastic spoon that has a temperature of 78° f is placed into a bowl of soup that has a temperature of 84° f. which of these correctly describes what will happen?

energy as heat moves from the soup to the spoon.