Because if all the trees and grasslands are to disappear and turn into deserts then there would be no oxygen for us
Carbon dioxide is created when hydrolic is mixed with calcium carbonate.
The percentage of hydrogen in C7H18 is calculated as follows:
[18/(12*7+1*8)]*100=18%
The amount of hydrogen in 5.2moles is given by:(18/100)*5.2=0.94moles
Searching "electron configuration of chromium on google images will easily provide you with the answer.
Answer:
The answer you selected is correct (A)have
Explanation:
Red blood cells one goal which is to carry oxygen throughtout your body.. without it you would die to lack of oxygen.