Degradation of ABA in plants involves oxidation to , then followed by a reduction to dihydrophaseic acid (DPA).

Use examples from the article to explain one positive and one negative effect that chemistry has had on society

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.