Instrumentation aboard the kepler spacecraft permits astronomer scientists to discover planets and planet candidates by measuring a dip in the brightness of a star as a planet crosses in front it. a. true. b. false.

Ok? don't be a fake friend, only be friends with people that you are interested in developing a strong relationship with. don't be fake.

In atoms, the electron carries a negative elementary or unit charge; the proton carries a positive charge. the two types of charge are equal and opposite. in an atom of matter, an electrical charge occurs whenever the number of protons in the nucleus differs from the number of electrons surrounding that nucleus.

Answerbiological;

Iam pretty sure the answer is friction