The correct answer is A. Experimental group
Explanation:
In experiments, the experimental group refers to the group of subjects that receives special treatment or in which the scientist or researcher intervenes. This is the opposite of a control group that does not receive treatment and therefore, it is used as a reference to measure the effect of the treatment.
This implies, in the experiment presented Group A is the control group as they do not have special treatment because they sleep normally and Group B is the experimental group as the researcher modifies their sleep time and reduces it two hours which means in this group there is a treatment or intervention.
Answer:
<h3><em>Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities</em></h3>
Explanation:
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<em>I </em><em>hope</em><em> it's</em><em> helpful</em><em> for</em><em> you</em><em> ✌️</em></h3>
Answer:
If you are AB + you can only donate to AB positive people. However, you can receive blood of any type.
Answer:
Many traits unique to the human lineage were long thought to have originated between 2.4 million and 1.8 million years ago in Africa. These include a large brain and body, long legs, reduced differences between the sexes, increased meat-eating, prolonged maturation periods, increased social cooperation and tool making.
The answer is C, Mercury.
Neptune and Uranus have extremely thick atmospheres, and Mars has an atmosphere that is made mostly of carbon dioxide, but Mercury doesn't have atmosphere at all.
Hopefully this helps! If you have any more questions or don't understand, feel free to DM me, and I'll get back to you ASAP! :)
