What two positive and negative effects human activities have on erosion?

Name one type of data that h-r diagrams do not show.

Sam hated the long nights of winter! his mother called him in from playing so early: around 4: 30 pm! it is usually dark out when sam is eating supper. what letter represents the long nights where sam lives? a) a. b) b. c) c. d) d.

Never mind alrwady found the answer im looking for