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?

Hudson river have a different climate and is not inhabitable by zebra mussels 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.

c. our lives go by quickly, so take time to enjoy each moment.

explanation:

shakespeare was famous for writing in iambic pentameter, which is a specific way of rhyming sonnet lines in ten syllables. there are also forms of unrhymed iambic pentameter, as in macbeth, with the noble characters.