Answer:
Transparent, translucent, and opaque.
Explanation:
Transparent, translucent, and opaque are the three categories of materials that has a relation with transmitted light. Transparent objects are those from which the light passes through e.g plastic, water etc while on the other hand, translucent objects are those from which some of the light pass through e.g sunglasses and wax paper etc and opaque objects are those from which no light can pass through their body e.g wood and metal etc.
Answer:
Water
Explanation:
Water is a renewable energy source used to generate electricity. A place where this happens at is dams.
Answer:
Ocean water is a mixture! Salt and water together, makes salt water, since the salt dissolves in it.
Normal water in a cup, though, is a pure substance. Nothing is in it, and its purified, so it is not a mixture.
If it's more than one things, it's a mixture!
I hope this helps!
Answer:
Option C, Plant A
Explanation:
Control group within an experiment is the substance/organism or subject which shall enact as a base for comparison of impact of experiment created on the dependent variables.
Here, the impact of fertilizer is to be studied on plant. Thus, plant set up is dependent variable and amount of fertilizer is an independent variable. Out of all plants one plants is getting 0 amount of fertilizer hence this plant can be used for comparison with other plants which receives the fertilizers.
