(Question)
Q: What is the most effective color in interrupting the nighttime portion of the photoperiod? Choices: - yellow - white light - blue light - red light A:
(Answer)
red light

(Question)
Q: Where do plates move apart in oceans and on land? Choices: - volcanic ridges - coastal zones - unsettled plate boundaries - divergent plate boundaries A:
(Answer)
divergent plate boundaries

(Question)
Q: The sun and many other light sources produce waves that are randomly this? Choices: - obfuscated - amplified - colored - polarized A:
(Answer)
polarized