The readings will generally be quite low. :)
Hello there.
Question: <span>What is the first sign of dehydration?
A.increased thirst
B.increased dizzines
C. decreased urine
D.decreased endurance
Answer: The first sign would definitely have to be increased thirst. If you feel more thirsty than usual for no particular reason then it could be your body's way of letting you know that you are dehydrated and therefore need to increase your fluid intake.
In short, Your answer is A. increased thirst.
Hope This Helps You!
Good Luck Studying ^-^</span>
If you help me I can help you
2 hours . hope it helped :)