Why is sunlight important for the biosphere?

What is a small water source like a stream or brook?

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

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.