B, the North which had industrialized while the South remained agrarian
Answer:
Influenza, or flu, is a virus that attacks the respiratory system. The flu virus is highly contagious: When an infected person coughs, sneezes or talks, respiratory droplets are generated and transmitted into the air, and can then can be inhaled by anyone nearby.
Explanation:
Gunpowder in Tang and moveable wooden type in Song.
Answer:
spontaneous generation
Explanation:
The theory of spontaneous generation, though outdated, seem to state that living organisms originate from other objects that are non-living.
Aristotle, a Greek philosopher were among the first people to talk about this theory. He further established the appearance of certain animals in places where they never existed, such as the appearance of a fish in a new water body. The appearance of maggots on rotting meat and bread were some of the established facts that were used to support the theory.