What is the relationship between erythrocytes and the oxygen-carrying capacity of the blood implied by the model?

Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?