If a student wants to study the effect of sunlight on plant growth. In his experiment, 12 plants receive normal amounts of sunlight, but half of them are kept under bright sun lamps all night long. The control group is: the amount of light the plant receives.
<h3>What is control group?</h3>
A control group is a type of experiment carried out using two variables based on this control group can be defined as the process in which experiment is carried on two different variables such as dependent variables and independent variables in which one of the variables is not experimented or tested.
Based on the given scenario if after 6 weeks, the plants heights measured which inturn means that the control group is the amount of light the plant receives.
Therefore if 12 plants receive normal amounts of sunlight, but half of them are kept under bright sun lamps all night long. The control group is: the amount of light the plant receives.
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The Wealth of Nations by Adam Smith is an inquiry into how countries can generate theirwealth. The book addresses and demonstrates economic principles that explain the role of the factors of production, among other factors, in the creation of wealth.
Answer:
from guessing this should be A
Explanation:
the other choices make no sense
Brown v. Board of Education of Topeka<span> was a landmark 1954 Supreme Court case in which the justices ruled unanimously that racial segregation of children in public schools was unconstitutional
It was also </span><span>one of the cornerstones of the civil rights movement</span>
Answer:
the wheel plow, or a writting called, cuneiform
Explanation:
