Answer:
Random Assignment
Explanation:
Random Assignment
Is to randomly assign subjects to different treatment groups to reduce the chances of preexisting differences between the subjects having an impact (negative) on the experiment.
Answer:
Photosynthesisthe process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Hope this help!:)
<span>Chromosomal abnormalies effect all of the bodies cells. Certain anomolies effect different body parts in different ways. One anomily may effect the heart and the other vision or hearing. Hope this helps. Have a nice day. Feel free to ask more questions.</span>