TASK DEFINITION: In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
PROBLEM: Question: If Mona shines a light through both wool and cotton and determines that cotton is more dense then wool, which material will the light move faster through? 
 Answer: wool

SOLUTION: The more dense the medium, the slower the light moves.

PROBLEM: Question: As Earth's climate becomes warmer it will develop _____ varieties of vegetation? 
 Answer: more

SOLUTION: The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering.

PROBLEM: Question: If Mona is standing in the sun and it begins to shine brighter, what happens to the amount of energy the photons are emitting? 
 Answer: increases

SOLUTION:
In electromagnetic waves with higher frequencies, photons have more energy.