A control group is going to be something that you don’t “experiment on or change. It is grown or watched under normal conditions. This way you have a medium to say how things are “supposed” to go.
The experimental group is going to be where you “experiment” and change the normal conditions to see what outcome will occur ( under different conditions then normal )
Answer is D.
you can learn A,B, and C from examining fossils
<span>The way that an emerging idea differs from that of a scientific consensus is that an emerging idea has not been tested repeatedly. What best describes an idea that has scientific consensus is that most , but not necessarily all, scientists agree with an idea.
Answer: A) An emerging idea has not been tested repeatedly.
I hope it helps, Regards.</span>
One of the difference is that fishes have single circulation but humans have double circulation of blood.
