The control group outs the one that you don't change. The reason you don't change it is because you use it as a comparison with the other groups.
We sprinkle powder on carrom board to make the surface of the board smooth. This reduces the friction between the surface of the carrom board, the striker and the coins. As a result, the coins and the striker can move easily on the carrom board.
I’m not sure what your asking. But if you have 2 different alleles of a gene it will be heterozygous
The answer is nucleus (structure A)
because nucleus DNA would be destroyed
This part of the experiment serves as basis of comparison; the one variable being tested has been omitted Experimental group.This part of the experiment shows the effect of the one variable being tested.Independent variable.This variable is an experiment is the one being deliberately changed by the scientist.
