Its B.
you eat it (ingest) it goes to your stomach (digest) then to your intestines where more nutrients are extracted(absorption) then to your and out your anus (elimination) <span />
Probably the intertidal zone, as I reason the tides would affect life dramatically. High and low tide would affect land and ocean creatures in this zone too often where as the coastal and open oceans have constant properties.
I guess it is increasing concentration of carbon
producing a hole on ozone is because of the Freon in air conditioners and i guess all the others are wrong <span />
