Which statement best explains why light can travel with or without a medium A medium is necessary for light waves to travel
Light waves cannot travel in a vacuum
Light waies are longitudinal waves that do not require a medium to travel
Trans erse waves do not require a medium to travel

The answer is joseph is observing the colour of the reaction mixture to see whether proteins are present in the given solution.

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the

Is there any answer choices?

He used pea plants to study the patterns of heredity.