1.The importance of bees is appreciated (appreciate) by many farmers.
2. Hundreds of bees are found (find) dead hundreds of metres from their hives.
3. Those hives are not owned (not own) by us now; we sold them.
4. It looks as if a lot of problems are caused (cause) by mobile phones.
5. Are any farmers interviewed (interview) about a problem?
6. Quite a lot is known (know) about how bees navigate back to the hive.
7. The theory is believed (believe) to be crazy at first.
8. Are all crops pollinated (pollinate) by bees?
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