A normal line is a line that is a
The line of refraction
b
The line of incidence
c
Parallel to the surface when two media meet
d
Perpendicular to the surface where two media meet

Which of the activities listed below could limit global warming by slowing the increase in atmospheric carbon dioxide levels? view available hint(s) select all that apply. a. replacing fossil fuels with nuclear energy b. burning vegetation to clear land for agriculture c. limiting soil erosion so organic matter takes longer to decompose d. choosing a fuel-efficient car, or bicycling to school or work e. using more electrical appliances and cars f. cutting down forests to build houses

Explain why the rate of urbanisation is in the way it is between developed and undeveloped countries.

The earth rotates on its axis and revolves around the sun every