I think answer is B. Sorry if it is wrong.
"an advantage of gas exchange in fresh water, compared with gas exchange in air, is that water loss through evaporation across the respiratory surface can be minimized." The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the transfer of carbon dioxide from the blood into the exhaled air.
<span>The amount of protein a woman should get each day depends not just on age and weight. Her activity level must also be considered. </span><span>A 135-pound woman who is 38 years old and assuming not pregnant needs (b) 49 grams/day if she is not very active or (d) 110 grams/day if she is very active.</span>
Answer: 100mL sucrose solution and 900mL water
Explanation: sucrose solution is 500 mM, i.e. 500mmol/L
water is 0mmol/L
To get 50mmol/L we need 1/10 L of sucrose solution = 100mL
and made up to 1L with water
Answer: boom
Explanation: hope this is right :)
