A. tundra
b. rain forest
c. savannah
d. desert

1.many trees
2.fewest plants
3.no trees, grasses
4.grasses and trees

match them up

Suggest two reasons why irrigation is important for human development of the desert (4 marks)

Which evidence is most likely used to indicate the beginning of solar system formation? a. materials combined to form a mass. b. materials were pulled together by gravity. c. water condensed and collected to form oceans. d. different species of microorganisms lived on earth.

When you imagine how you'll get from your house to the store, you are a. mental projection b. mental map c. piagetian projection d. cognitive load