Which of the earth's layers is represented by the number two (2) on the image above?
a.
the mantle
b.
the outer core
c.
the inner core
d.
the crust

Why does sweden and norway have steep roofs

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

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.