Answer:
b
Explanation:
the water gave the plant a drink
Answer:
Well , I think the answer is B
This represents a closed system,and one benifit is that the risk of passing disease between other species is lower than in open system
But still I prefer you to check it out in your book
Thanks for the news. We'll look forward with great anticipation to any reports of the results of that experiment. Then, if the findings raise any questions in your mind that you'd like to discuss, we'll certainly help you work on them.