:)
a. bottom layer
b. unconformity
c. sedimentary layers
d. intrusion

1. the very nature lf this event proves that it must be younger than the rocks it interrupts
2. oldest event or layer in the diagram
3. laid down from oldest to youngest
4. evidence that some of the existing rock layers has been eroded or changed in some way causing peices to be missing. the youngest event shown here

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !