Hydrofluorocarbons are used as a substitute for chlorofluorocarbons to meet the provisions of the Montreal Protocol. Which of the following best describes the results of replacing chlorofluorocarbons with hydrofluorocarbons? INCREASE in smog

DECREASE in global warming

DECREASE in ozone loss

INCREASE in acid deposition

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give

Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what