Answer:
The circulatory system consists of the heart, the arteries, veins, and capillaries.
Explanation:
<h3>
Answers: the plant under the uv light for eight hours is <u><em>
experimental group </em></u></h3><h3>
The amount of water that is given to all of the plants is</h3><h3><u><em>
controlled variable </em></u></h3><h3><u><em>
</em></u></h3><h3>
The plants that are under the light for six hours</h3>
<u><em>control group</em></u>
<u><em></em></u>
