Question

I need this question answer ​

Answer 1

Fill in the blanks

1. option c

2. option b

3. option a

4. option a

Answer 2

Q1.

1.Amazon

2.Mountains

3.Pacific ocean

4.Airways

Q2.

1.Duad sea-Salinity 332percent

2.Preserving food-temperature controller

3.Buoyancy-density

4.ocean currents-useful for water transportation