The control group is the part of an experiment that does not receive the variable and is used for comparison.
Answer: External segments are called metameres and internally, septa, or dividing walls, are located between the segments.
Explanation: I think it is
I know this sounds silly but I just took the test they were made in the stars or B
C) Rocks
May I have brainliest??
Hope This Helps!!
Answer:Supply energy to cells
Explanation: