What purpose of pond and indicater

Healthy Ponds Are Indicators of Healthy Environments A pond can tell you if an environment is healthy based on the wildlife that visits, such as dragonflies and amphibians. Since the vast majority of life on earth relies on water for survival, it should be no surprise that most aquatic systems draw in a large variety of species.

Explanation:

answer by yourhope:

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in which structure in the nucleus are ribosomes made?

b) nucleolus!

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