Which of the following statements is true? 2) Materials that let electrons flow freely will conduct electricity.
1) All materials conduct electricity.
3) Electrons are atoms or particles that are positive in charge.

Ireally need this answer sombody fast fast

When can a theory be modified if a new type of technology allows for new observations that raise new questions? a-immediately, while the questions about the theory are being asked b-after new hypotheses related to the theory are tested in experiments c-only after the new observations disprove all parts of the theory d-while scientists begin to think about how the theory could improve

By definition a socially healthy person has access to clean water in adequate living space and makes an effort to recycle