Which changes to the earth can be explained by plate tectonics? atmospheric circulation patterns earthquakes erosion ocean circulation patterns ocean trenches volcanoes wind

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.

The us and canadian governments are doing all of the following to combat environmental problems except a. encouraging the use of public transportation b. enacting clean water policies c. requiring emissions testing d. limiting animal populations in some regions

What is the difference between the formation and characteristics of intrusive igneous rock and extrusive igneous rock?