Which best describes the reactants and products of photosynthesis? 1. Reactants are formed inside the plant, and products are taken in from the environment by the plant.
2. Reactants are taken in from the environment by the plant, and products are formed inside the plant.
3. Reactants and products are formed inside the plant.
4. Reactants and products are taken in from the environment by the plant.

Can smoke be transformed into liquid or used as energy or both?

Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins