Jamie knows that Atmospheric Fixation contributes to the Nitrogen Cycle, but doesn't remember what exactly it creates. Can you remind her?

What is the next step in muscle contraction after the actin changes shape? (apex)

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil

What type of pollution does household garbage cause