Which one of the following factors is the main source of the earth's heat?
a. sun
b. pressure
c. season
d. altitude

Which search pattern would be best suited for a crime scene where many investigators are available to search a large area? a. spiral b. grid c. line d. zone

Wegeners theory of continental drift states that the continents have changed throughout history while the theory of plate tectonics

What type of aid does nigeria receive? short term, tied, voluntary, bilateral, multilateral or long-term?