After that it would be deposited when the flow of the river is too slow to carry it.
Lighter
heavier because they are two different weights
lighter
It depends on what your doing with it. If your towing, heavier. If your on the beach, lighter.
heavier when frozen
Because it requires more energy to transport heavier sediment than lighter sediment. As a river flows it loses energy, and hence begins to drop the heavier sediment. Imagine you had a handful of sand and a handfull of flower. The sand is heavier than the flower, and also larger. If you blow on both of your hands, the flower will be easily blown away, but the sand will be more difficult, because the grains are bigger and heavier, and require more energy to move.The heavier sediments are the first to overcome the power of the moving water with the power of gravity.
lighter
Helium is lighter than air
It is lighter
heavier by almost 1 amu
lighter
it is lighter than water.