Where should you look to quickly find factual information on the causes of the american civil war?
a. readers' guide
b. encyclopedia
c. concise dictionary of american biography
d. dictionary

explanation:

it refers to the definition of full-contact sports, where the condition is that the sport must have athletes must "purposely collide with each other

when making an inference, the reader should be sure to support the inference with

evidence

a is an educated guess about what will happen.

c. prediction

when new information proves that a reader's prediction is wrong, the reader should

make a new prediction based on the new information.