Because if all the trees and grasslands are to disappear and turn into deserts then there would be no oxygen for us
Answer:
H2SO4 + 8HI → H2S + 4I2 + 4H2O
Answer:
a compound
Explanation:
a compound consists of two or more elements combined
Idk if this is the information you need but the energy level gets higher the farther you move down the Periodic Table. Every element in a vertical line has the same energy level.
