Where are the answer choices
To state his arguments in favor for american independence.
1. She sewed the first American flag
2. She met George Washington
3. She ran a successful upholstery business
4. She sewed and repaired uniforms for the continental army
5. She made flags until the 1820's
<span>The correct answer is a) building a modern navy to break the Union blockade. Due to this blockade, the Confederacy suffered a food shortage. Additionally, the Union was able to divide the Confederacy after winning several key battles in the middle of their territory. Since the Confederacy was being defeated on land, they decided they would focus on their navy in order to defeat the Union by sea. Clearly, this didin't work.</span>
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.
Learn more about control group here:brainly.com/question/24708013
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