Lesson 2 - Factors

Question 1

Seawater salinity

Answer 1

35 ppt (eg g/kg)

Question 2

Sources of cations (2)

Answer 2

Rivers, weathering of igneous rocks

Question 3

Sources of anions (2)

Answer 3

Mantle, release from volcanoes

Question 4

Name 3 salt removal processes

Answer 4

Sea-spray, harvesting by organisms, evaporite formation

Question 5

T/f is salinity uniform at depth. Why?

Answer 5

True, unaffected by ocean processes

Question 6

Seawater density increases with… (3)

Answer 6

Decreasing temperature. Increasing salinity, increasing pressure