Which of these is an effective color scheme? a. red text on black background b. red text on red background c. yellow text on black background d. yellow text on white background

C. yellow text on black background

Explanation:

A color scheme refers to a choice of color that is used in media. The colors should be chosen in order to appeal to people and it is also important that they allow the message to be read  and understood. If considering the options given in the question, the effective color scheme would be yellow text on a black background as it will be eye-catching and can be easy to read. The other options given are almost impossible to understand, for example, red text on a black background is unreadable as red is a hard color to read and black is a color that is too strong.

answer; (b) agriculture, food, and natural resources;