Respuesta :
B. Increased ability to concentrate. It's actually the exact opposite. When you are dehydrated, you get increased headaches, which causes you to lose focus.
Increased ability to concentrate is only not a sign of dehydration among the given options.i,e option B is correct.
What are the causes of dehydration in the body?
Dehydration is caused by not drinking enough fluid or by losing more fluid than you take in. Fluid is lost through sweat, tears, vomiting, urine or diarrhoea. The severity of dehydration can depend on a number of factors, such as climate, level of physical activity and diet.
Dehydration will result in loss of concentrate in anything and give you headache.thus option B is correct.
Learn more about dehydration here:
https://brainly.com/question/12261974
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