instruction:
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.
question:
Question: As sound waves get shorter their frequency 
 Answer: increase
answer:
As wavelength increases, frequency decreases.


question:
Question: An _____ pulse rate is a sign of less oxygen to cells. 
 Answer: increased
answer:
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.


question:
Question: If we tested a substance and the number was high on a pH test then the item is 
 Answer: basic
answer:

Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.