Akilogram in an si unit. which quantity might measure in kilograms
a. temperature
b. mass
c. length
d. electric current

A quantity that might be measured in kilograms is mass. You can tell it is not length, because that is meters, and temperature is Celsius. It is not electrical current because that is measured in watts.

If you need more explanation, comment below and I'll do my best.

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.