Lucille has been told she needs to improve her heart health, and she is ready to get started. there are many activities she is considering for her new routine, but she knows she must first calculate her target heart rate zone. to do this calculation, when is the best time for her to begin gathering data?

a. when she is resting
b. when she is working out
c. when she is at the gym
d. when she is finished working out

the dark variety, as they are not visible on the dark tree barks

explanation:

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.