In the early 1530s, while on Francisco Pizarro's expedition, de Soto helped conquer Peru. In 1539 he set out for North America, where he discovered the Mississippi River.
The correct answer is True
Contingent consists both of the idea of what is uncertain, unforeseen and accidental, but it can also represent a specific group within a community, depending on the context in which the word is used.
As an adjective, contingent qualifies something that may or may not happen, that is doubtful and that occurs in a casual or accidental way.
I think to avoid the manipulation on independent variables in research involving human participants.
Answer:
Temperature can increase by atoms speeding up and crashing into each other