Group 2, or in the Alkaline Earth Metals section. This is due to the necessity to have a +2 charge to balance out or negate the -2 charge two Bromines carry.
This would be the downward movement of water. It begins flowing and continues in a downward movement moving throughout,
In science you want to use observations and measurements.
Answer:
B. two rounds of cell division
It might be c, because he came up with the plum pudding model. or it might be that atoms of the same element are identical, but that's not true cuz ions are different and isotopes are different.
