How do you change your thing to collage to middle school

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.

Late at night some traffic signals change patterns and become ?

Remote sensing of the earth's surface and atmosphere may involve the use of what type of instruments?