"<span>C.Under free enterprise, merchants were able to
conduct unrestricted international trade. Under mercantilism,
international trade was restricted" is the best option, but there were other differences as well. </span>
To remedy the stability problem, Bohr<span> modified the </span>Rutherford model<span> by requiring that the electrons move in orbits of fixed size and energy. The energy of an electron depends on the size of the orbit and is lower for smaller orbits. Radiation can occur only when the electron jumps from one orbit to another.</span>
The correct answer is "Wealthy residents bought works of art, which supported artists". Renaissance was pivotal era for art in Italy, as very talented artists flourished in this era, artists that included Leonardo Da Vinci, Michelangelo, Sandro Botticelli, Raphael, among others. Wealthy residents contributed to art by buying the works of relevant artists, which was a motivation for artists to keep performing their work.
