Hi please help im giving out brainliest to the person who answers correctly What geographic factor allowed new ideas to spread to Italy?

Italy’s long coastline had many major trade centers.
Italy’s many rivers were natural highways between cities.
Italy’s mountains separated cities and prevented conflict.
Italy’s eastern location allowed many land routes to trade centers in Asia.

Astudent conducts an experiment to see how music affects plant growth. the student obtains four identical plants. each one is potted in the same type of soil and receives the same amount of sunlight and water each day. plant a listens to classical music for three hours each day. plant b listens to rock music for three hours each day. plant c listens to country music for three hours each day. plant d does not listen to any music at all. 2. based on the experiment in the scenario, which visual aid would be most in showing the change in the plants' heights over time? a. a pie chart b. a line graph c. a timeline d. a bar graph