What does Michael Breed claim has changed over the

last 35 years?

Bee colonies are collapsing more frequently than before.

Explanation:

According to a different source, these are the options that come with this question:

Postal workers are getting bitten by bees more than ever.

His neighbors’ bees are destroying his colonies, which has never happened before.

Bees can no longer live in Northern Colorado.

Bee colonies are collapsing more frequently than before.

In this text, the author talks about a man called Michael Breed. Breed is a honeybee researcher at the University of Colorado. He tells us that, in the 35 years that he has been working with bees, he has noticed that bee colonies are collapsing more frequently than ever before. He gives several explanations for this situation, such as more parasites and infections due to climate change, loss of flower scent by pollution or a decreased ability to find a hive due to the use of pesticides.