12. A Biology class is instructed to design an experiment to compare the effects of jogging 400 meters against the effects of sprinting 100 meters. They want to measure the impact each form of exercise has on multiple body systems. Which two variables should the class examine?​

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.

answer; microsoft;