Which of the following is not an example of a way that life changed after the arrival of the spanish?

a.
christianity became a powerful religion.

b.
various groups of people united as one social class.

c.
animals such as pigs and sheep arrived.

d.
shipbuilding became a new trade.

According to ohrp, a problem is an “unanticipated problem” when it meets which of the following criteria: unexpected, related or possibly related to the research, suggests that the research does not put the subjects or others at greater riskunexpected, related or possible related to the research, suggests the research puts subjects or others at greater riskunexpected, unrelated to the research but still occurring with a subject, suggests the research puts others at greater riskexpected, related or possible related to the research, suggests the research puts others at greater risk

What is one property that water and oil do not share

Anthropologist ralph linton said, "the last thing a fish would ever notice would be water." what does this imply about culture