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 main point of view of the "United We Win" poster from 1943 was that "<span>cooperation by all will result in American World War II victory", since it shows to people of different races working together for the war effort. </span>
An allusion is something that is not real look very real.
Answer:
they were treated horribly in part to the Jim crow laws
1.who did they fight
2.why did they fight
3.who won
4.when did it start and when did it end
5.who where the generals
6.who was the president at the time