Question

fix the one word that is used incorrectly. \plastic water bottles can be recycled, but there often found in landfills,\ eddie wrote on his conservation blog. \its time we found a viable alternative to plastic.\

Explanation:

The sentence has a grammar error. The original sentence "but there often found in landfills" is a fragment. It should be "but they are often found in landfills" to be a complete and correct sentence.

Answer:

Change "there" to "they are".