increase in manmade cfc's (chlorofluorocarbons) in the environment lead to an
increase in
a. levels of methane in atmosphere
b. ozone levels in upper atmosphere
c. health risks associated with uv radiation
d. acid precipitation

Microorganisms aren’t all decomposers; in fact, many act as producers or primary consumers in an ecosystem. how do microorganisms that act as producers benefit the rest of an ecosystem in terms of energy transfer? what about microorganisms that act as primary consumers?

What would happen if the tubing with the yellow band was placed in a beaker of distilled water?

Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates