His friend , hope this helped
Answer:
Option A
Explanation:
They belong to the same group of the periodic table. This is because their atoms have the same number of electrons in the highest occupied energy level.
Answer:
I don't want to give wrong answer, but here is what ik kiddo;
Explanation:
An experimental group is the group that receives the variable being tested in an experiment. The control group is the group in an experiment that does not receive the variable you are testing.
HOPE IT HELPS!!
There must be an abundance of food space and water or a lack of predators