help!!! Which of the following statements are examples of negative social impacts of some technologies? (Choose all that apply)

a.Improvements in communication technology allow people to share new ideas and scientific knowledge.

b.People may spend so much time learning and using new technology, that it gets in the way of doing tasks.

c.The burning of fossil fuels releases compounds into the air that can be harmful to breathe.

d.Communication technology can cause people to undervalue face-to-face communication.

e.People can become unnecessarily dependent on technology to complete tasks they used to do themselves.