Why is it easier to swim in sea water than in the river water?
Answer Posted / vaishnavi
When salt is dissolved in water, as it is in ocean water, that dissolved salt adds to the mass of the water and makes the water denser than it would be without salt. Because objects float better on a dense surface, they float better on salt water than fresh water.
| Is This Answer Correct ? | 3 Yes | 2 No |
Post New Answer View All Answers
Explain what is an alloy?
What is the effect of using two converging lenses in one optical instrument?
Explain what are wave fronts?
Explain how spectral lines show discrete energy levels in an atom. : quantum physics
Explain nuclear fusion?
What is the principle of superposition?
Explain what affect does electricity have on soil?
What is the shadows?
How is nuclear fission different from nuclear fusion?
The light in vehicle become dim when it is starting,why?
What is sonar?
Explain the use of galvanometer?
What is a positron?
How long does the light from sun take to reach us?
A color made from the addition of two primary colors is called: