What is the percentage of salt water on earth surface?

A. 93%
B. 95%
C. 97%
D. 76%

Submitted by: Syed Nizakat Ali Shah

Related Mcqs:

Underground water and the water on the earth’s surface is called ?
A. Mezosphere
B. Ionosphere
C. Hydrosphere
D. None of these

Submitted by: Haziq
The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.
A. 1 gram
B. 10 grams
C. 1 kg
D. 10 kg
Sea water (Salt water) freezes at ?
A. Same temperature as fresh water.
B. Slightly higher temperatures than fresh water.
C. Slightly higher temperature than fresh water.
D. Sea water does not freeze

Submitted by: Mansoor Ahmed Suhag
What percentage of earth’s water supply is fresh water___________?
A. 3%
B. 5%
C. 21%
D. None of these

Submitted by: Rida
Water covers __________ of the Earth’s surface?
A. 61%
B. 67%
C. 71%
D. 76%
Average salinity or ratio of salt as per kilogram of water of ocean is__________?
A. 35 grams
B. 55 grams
C. 32 grams
D. 42 grams

Submitted by: FAZAL ULLAH
An egg sinks in soft water but floats in a concentrated solution of salt because?
A. egg absorbs salt from the solution and expands
B. albumin dissolves in salt solution and egg becomes lighter
C. the density of salt solution exceeds the density of eggs
D. water has high surface tension

Submitted by: Malik Asghar Hussain
A fresh egg when placed in salt water will __________ ?
A. sink and go to the bottom
B. sink but will not go to the bottom
C. Float
D. Burst

Submitted by: Abid Hussain
For seeing objects at the surface of water from a submarine under water, the instrument used is ________?
A. Periscope
B. Telescope
C. Kaleidoscope
D. Spectroscope

Submitted by: Rashid Mehmood
The lowest region of the earth’s atmosphere comes between the earth and stratosphere. what is this region’s name?
A. Ionosphere
B. Troposphere
C. Stratosphere
D. Mesosphere

Submitted by: Ashfaque Ali Khoso