A glass jar contains 6 blue marbles, 6 red marbles, 4 yellow marbles, 5 white marbles, and 3 orange marbles. If a single marble is chosen at random, what is the probability it will be
orange?
A. 1 out of 3
B. 3 out of 3
C. 3 out of 20
D. 3 out of 24

Plants must get food into their systems in order to acquire energy and continue living, similar to animals. Plants create energy for animals to use, so they must replenish their nutrients. And plants breathe, in a way. They take in the carbon dioxide that all the animals give off, and they give off oxygen for all the animals to use. Pretty cool design, isn’t it?

Photosynthesis is the process by which plants convert energy from the sun. It is the process that allows plants to create organic molecules that they use as fuel. Here is how it works.