B, proton is positive and it does not represent the symbol
Fertile land is lost, and there is increased pollution and sedimentation in rivers and other aquatic areas.
○A)taking carbon dioxide from cells and removing it from the body
Hope this helped you- have a good day bro cya)
The rate of exchange of materials in and out of the organism depends on the organism's surface area or the amount of area in contact with the surrounding. Moreover, the amount of substance needed by the organism is dependent on its volume.