Choose whether the pair of words are similar or opposite in meaning, gaseosa/refresco

A. similar
B. opposite

they need to keep water moving over their gills so they seem to have active periods and restful periods instead of undergoing deep  sleep.  they sleep swim

explanation:

not 7. i'd say he's 6 feet tall. if we take the average height of where sancho is from, we'd get 5'7", so, he couldn't be 5 feet, but he could be 6 feet.