The answer is true, this is how dams work as the water goes through ot it pushed the turbines inside to generate electricity.
I hope this helps.
If a person knows nothing else about chemistry, he or she will likely know that water is H 2 O. The chemical formula for water is common knowledge, used in advertisements, elementary school science classes, and casual conversation. But more than just a conversation piece, the formula H 2 O can tell a chemist a great deal of information.
Read more: http://www.chemistryexplained.com/Va-Z/Water.html#ixzz5Fqzk3PDR
D. toxic chemical used to control pest population.
Tea is a homogeneous mixture as its composition is the same throughout. If you take one spoon of the solution and compare it to two spoons of the same solution, the composition will be the same. Also, the different components which make up a cup of tea cannot be observed individually. All the components mix up thoroughly.