Use the information from the article to answer the question.
Asteroids and Comets Which statements apply to comets? Check all that apply
answer choices
formed of ice, rock, and dust
contain a liquid core
develop tails near the Sun
orbit gas giants like Jupiter and Neptune

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