Question

Time to Learn
1. The total amount of freshwater present on earth is about
a. 3 per cent. b. 4.5 per cent.
c. 5.5 per cent. d. 6.5 per cent.
2. The upper part of a sea wave is called
a. crust.
b. crest.
c. summit.
d. trough
3. What is the main cause for the occurrence of tides?
a. Planetary winds b. Rotation of earth c. Gravitational pull d. Revolution of earth
4. Which of the following is not an important cause for the occurrence of ocean currents?
a. Earth's rotation b. Gravitational pull c. Prevailing winds d. Density of water
5. Which of the following is a cold current?
a. Gulf Stream
b. Brazil current C. Monsoon Drift d. Peru current
B. Write True or False.​

Answer 1

Answer:

1:71 %

2:trough

3:gravitational pull

Answer 2

1.ans- (a) 3%

2.ans- (b) crest

3.ans- (a) Planetary winds

4.ans- (b) Gravitational pull

5.ans- (d) Peru current