Biology, 22.02.2021 16:20, emopandabogard4296

3 Four test-tubes are set up as shown in the diagram and left in full sunlight.
After several hours, which test-tube contains the most dissolved oxygen? (5)
(1 Point)
A
B
С
D
pond
weed
pond
weed
water
water
water
water
Snail
snail

Answers: 2

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3 Four test-tubes are set up as shown in the diagram and left in full sunlight.
After several...