Question

Three questions. WILL MEDAL

Answer 1

1. Ocean salinity is usually expressed in _____.
A. charts
B. chemical formulas
C. parts per thousand
D. parts per billion

2. What is the principal source of dissolved substances in the oceans?
A. weathering
B. infiltration
C. outgassing
D. evaporation

3. The ocean layer of rapid temperature change with depth is known as the _____.
A. trophic level
B. deep zone
C. mixed zone
D. thermocline

Answer 2

3 is C im not sure about the other two though

Answer 3

Still need help?

Answer 4

Yes @Fuhrmanizer

Answer 5

1 is D

Answer 6

2 is A

Answer 7

I agree with @mdsmith9316