To study osmosis, a student placed a thin potato slice in a salt solution. the slice became soft and shriveled. then, he placed the shriveled slice in water. the slice regained its original shape. based on the observations, which of these statements is correct? a) the slice regained its shape because salt moved into the potato. b) the potato slice shriveled because water moved from the salt solution into the slice. c) the potato slice shriveled because water moved out of the slice into the salt solution. eliminate d) the slice regained its shape because the concentration of salt inside and outside the slice became equal.
Answers: 1
Biology, 22.06.2019 11:00, joshWash
In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.
Answers: 1
Biology, 22.06.2019 12:40, crybaby222psyc
In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%
Answers: 3
To study osmosis, a student placed a thin potato slice in a salt solution. the slice became soft and...
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