1. Explain how you determined the age of the intruding rock on table C. 2. What information does the mass spectrometer provide?

3. In table E, how did you determine the identity of the unknown fossil?

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

If scientists only detect p waves in a certain layer of earths interior what does that tell us?

How did geographic isolation affect the islands in the australasia ecozobne?