Which policy has a cost efficient way to reduce sulfur dioxide emissions? a) enacting cap-and-trade legislation b) implementing scrubber technology on all power plants c) burning high-sulfur coal d) banning the emissions of sulfur dioxide entirely

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.