How did slit influence the development of civilization in the fertile crescent?
a. soil eroded from old volcanoes blended with tigris river mud to enrich the soil
b. floodwaters from melting mountian snow left slit that improved the soil
c. spring coastals rains of silt moistioned and fertilized dry river valley soil
d. annual floodwaters in the nile delta washed silt inland to build up the soil

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