Seawater has an approximate density of 1030kgm−3, while fresh water has a density of 1000kgm−3. A plastic ball has a density of 1010kgm−3. Choose the correct behaviour of the ball when released first in fresh water and then in seawater.
(a) Floats in both fresh water and seawater
(b) Remains suspended in fresh water but floats in seawater
(c) Sinks in fresh water but floats in seawater
(d) Floats in fresh water but sinks in seawater