Why do some traits exhibit a large number of phenotypes?

Scientific knowledge is generally considered to have a positive effect on society. In which way can scientific knowledge have a negative effect on society?

A father or grandfather ruled over a family or tribe

How does the U. S. Constitution reflect the principle of democracy?

At one time, the Romans avoided sea travel because the Italian peninsula had few good harbors. What evidence can you find to support the argument that this geographical drawback was eventually overcome.

A word that means to prove to be wrong by argument of evidence is:

What dangerous drug was contained in some medicines before 1906?

At recess, two of the boys from different groups get in a fight. Elliott asks the one who was teased if responding with violence made him feel better or made the teasing stop.

What are positive effects of the Age of Exploration and the Columbian Exchange? A) improved medicinal techniques to end the plague B) improved diet and health C) employment opportunities D) end of the violence caused by the Reformation

What were Texas and Vermont before they became part of the United States?

In which area did sparta differ most from Athens? A. the role of the cities assembly B. the city's economic basis C. the city's overall military strength D. the exclusion of women from politics