The correct answer is b. al, mg, li
That's because Cobalt is not a representative element since it's not found in the first 2 or the last 6 groups.
The answer would be a or b
Answer:
yes it does
Explanation:
is make a contribute to 1 make the speech longer and 2 to make a point
I believe that living in a clean environment is safer. there is a lot of bacteria’s in today’s world that can harm us, zero germs is way better than a bunch of them. it can also make us feel safer or more comfortable.
