I believe that the correct answer would be unequal.
<span>Fossil Fuels such as coal, oil, and natural gas were formed over millions of years by organic matter like plankton, plants and other life <span>forms!</span></span>
In a river, sand would most likely be carried by suspension.
Suspension is one of the 4 main processes of transportation in the river.
Suspension happens when materials made up of very fine particles like clay or silt are carried or lifted as a result of the turbulent current in the river. Rivers that are fast-flowing and highly turbulent carry more suspended materials. One of these suspended materials is sand.