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: Ron watches a wave for 10 seconds and notices 10 crests. He watches another wave for 10 seconds and sees 5 crests. Which wave has a greater frequency? 
 Answer: 10 crests

SOLUTION: Wave frequency can be measured by counting the number of crests or compressions that pass the point in 1 second or other time period. The higher the number is, the greater is the frequency of the wave.

PROBLEM: Question: John was viewing a patient's vital signs at the hospital. He could see clearly that the less oxygen to the cells, the pulse rate would become 
 Answer: Higher

SOLUTION: This causes the delivery of less oxygen to the cells, and this stimulates the heart rate via adrenalin, so that pulse rate increases in an effort to deliver enough oxygen to cells.

PROBLEM: Question: If we are able to recycle less things we have 
 Answer: more waste

SOLUTION:
The advantage to biofuels is that they burn more cleanly than fossil fuels. As a result, they create less pollution and less carbon dioxide.