If results are statistically significant but have a small effect size, the results may represent a negative relationship.

lack a cause-effect relationship.
represent a neutral relationship.
lack practical significance.

All of the following are examples of service-learning opportunities except: a. donating time to senior citizen war veterans and writing a report about the experience for your u. s. history class. b. getting a part-time job at a habitat restoration center. c. reading to second-grade students as part of your assigned reading time for your english class. d. planting trees in your community and then discussing global warming in your science class.

The authors use the word “backbone” in lines 3 and 39 to indicate that

Mount saint helen the great lakes and death valley are physical features of the earth which scientific term describes these features