Idk if i asked it in the right catagory which of the following are the main external stimuli to which plants respond? check all that are true. touch light oxygen gravity

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.

Are salt and soap nutrients or toxins for yeast? explain.

How do antiviral drugs work? in your own words.