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alexgriva [62]
2 years ago
6

Which of these changes in a pond environment is observable

Mathematics
1 answer:
LekaFEV [45]2 years ago
6 0

Answer:

all of these are observable.

Step-by-step explanation:

you can look into how algae increase in the summer. You can visually see the water level is lower and you can feel the temperature of the water

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