I really do not want you to get it wrong but i will go with nitride ion, oxide ion, sodium ion, magnesium ion
I think it’s 7.41 because you count up all the atoms and find out how many are x (the large grey ones) and you do 2/27 x 100 which gives you 7.41 :) (sorry if i counted wrong it’s kinda hard)
Answer:
Its the first one. The cells are arranged for structure.
Explanation:
Animal cells do not need to maintain a shape since out bodies do it for us. Plant cells need something for structure.
the block will move to F but at the same time make it's way over to G because 250g weighs more than 100g
