Question

25 POINTS!!

Here's the passage, not long!: Long-term Monitoring of the Hudson River by American Museum of Natural History.

QUESTION: One question that scientists have not yet answered is what caused the number of large zebra mussels to decline. How might tracking different parts of the ecosystem over a long time help scientists to answer this question?

Answer 1

Hudson river have a different climate and is not inhabitable by zebra was said by scientist in the 90s.It might be because of increasing water pollution in the Hudson river as their are channels from the cities which meet the river

If this is wrong then don't worry scientist are there to find the reasons

Step-by-step explanation: