In order to be accepted, a theory, such as evolution, must be

testable

observable

testable and observable

neither testable nor observable

What is the region that includes the Chinook and Tillamook Indians.

One of the Aztec gods threw a rabbit at the moons face because?

Name three important values of Shang culture?

In 2005, country A exported steel worth $5 billion to country B. Steel producers in country B alleged that country A was steel into country B because country A's selling price was 20% lower than the normal value.

Describe the difficulties that faced early settlers

Darin saw his cousin, malika, talking to a girl he had been interested in. later, he asked malika if the girl was involved in a relationship with anyone. what type of strategy was darin using to gather information about the girl?

Subjects who are decisionally impaired are considered a potentially vulnerable population. irbs must ensure that:

The names of all the students in a class are listed on separate pieces of paper. The teacher places all the boys' names in one hat, all the girls' names in another hat and mixes them thoroughly before reaching in to draw out five names from each hat.

D. c. has learned that his ball is called a toy. when he sees a round light bulb, he calls it a "toy." this is an example of

Which is not one of the political parties of the four presidential candidates in 1860?