What moderates much of the air temperature over northwestern Europe?

How do oceanographers measure the salinity of ocean water?

The process by which liquid water changes into water vapour is called what ?

Which of the layers of the earth has the following three characteristics? i. it is a solid outer layer. ii. it is between 3 and 30 miles thick. iii. it is separated into plates. a. the outer core b. the inner core c. the mantle d. the crust