If a theory is challenged by new evidence, which of the following couod occur? a. the theory could be alteredb. the theory is accepted, not the evidencec. the evidence is wrongd. a vote is taken to accept new evidence

Nh3 +02-no + h20 is unbalanced what is the balanced equation

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?

Select the star life cycle that is accurate