Now suppose you are a Pennsylvania farmer who has learned that the governement is offering incentives to farmers to help reduce fertilizer runoff into the Cheasepeake Bay. What types fo approaches described in the text might you be willing to try, and why?

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

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According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes