A. The Average Ecological footprint will need to decrease . 6-11-18
You always adjust numbers and it will be before the element
so you Neva add or change a subscript
Answer:
the number of molecules in 7g nitrogen
Ans) 7 gram of Nitrogen contains 1.5×10^23 molecules =1.5e+23
That's a really hard on I thing that you should just tell your teacher that it was hard for you and I'm sure she or he will understand
