Carbon dioxide and water vapor to prevent from escaping from earth.
a. oxygen
b. energy
c. water vapor
d. carbon dioxide

Surreset the population of snails in the farm = xvumber of marked snails number of snails which are captured and markeember of recaptured snails population of snails in the vegetable farm5 - 24124let's disehow would you fthe value of x if ynot change 5 insimplest form? 9x 24*= 6 x 2= 144er estimates that there are 144 snails in the