There are two theories of color vision: the Young-Helmholtz trichromatic theory and the opponent-process theory. Explain what each theory proposes, and then describe how the two theories work together.

When you can't determine who arrived at an intersection first, yield to the vehicle a. closest to you on the left b. closest to you on the right c. across from you d. with the largest wheelbase

Ben can’t wrestle in this week’s match unless he loses two pounds. he decides to take a nap instead of exercising. this is an example of wasting time getting distracted allowing others to set goals

Dalila plans an experiment to examine plant growth. she made a table to record her results. what addition to her table would most improve her experimental investigation? a row in which no fertilizer is used a row in which 12 grams of fertilizer are used a column that shows how the dependent variable changes a column that shows how the independent variable changes