Answer:
They need more oxygen to function, so gas exchange needs to increase
Explanation:
Zero has one square root which is 0. Negative numbers don't have real square roots since a square is either positive or 0. The square roots of numbers that are not a perfect square are members of the irrational numbers. This means that they can't be written as the quotient of two integers.
Answer:
A cover letter gives specific details about previous work experience, while a résumé lists qualifications that make you a viable candidate for a position. A cover letter lets potential employers know that you have accepted another position, while a résumé asks potential employers for a position.
