Which statement describes the process of finding a mineral's streak? A. When you rub it on a white tile, it leaves a black mark. ООО O B. When you drop a piece of it in acid, a smoky gas is produced. O c. When you strike it against gypsum, it leaves a scratch. O D. When you examine its surface, it looks like dull metal.​

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.

Monitor and apply fix up strategies

Variety of living organisms; includes genetic, species, and ecological types.