Why do people study history?

choose all answers that are correct.

a.
it explains why our culture is superior to others.

b.
it us avoid repeating past mistakes.

c.
it demonstrates how people will live in the future.

d.
it us understand different peoples and nations.

The institute of international research is holding its annual convention. this year more than 500 scholars have been invited to hear research reports on many timely topics. approximately 250 big name scientists will be winging their way to washington, d.c. how can the underlined sentence be revised so that it fits the tone of the passage? a) approximately 250 people will be in washington, d.c. b) approximately 250 bigwigs will be flying to washington, d.c. c) approximately 250 science people will be going to washington, d.c. d) approximately 250 well-known scientists will be arriving in washington, d.c.

Which quotation from the passage best supports the themethat humans have a natural desire to learn about theworld? "they were men. i remember the dead man's face.""at least, we make a beginning."and the magic tools are broken—but we can look atthem and wonder."but they were men who built the city, not gods ordemons.

What are the similarities of physical and chemical change ?