Why are rules important to scientists?
o
a. rules are always easy for scientists to understand.
o
b. rules are constantly changing, because of new information.
o
c. rules make it easier for people who aren't scientists to
understand things.
ll
o
d. rules make it possible to understand the world.

“[the city’s engineers excelled in areas] neglected by the greeks, such as the construction of roads and aqueducts, and of sewers that could wash the filth of the city into the tiber. they have built paved roads throughout the country, leveling ridges and filling up hollows, so as to make possible the movements of heavily loaded wagons. . and such is the quantity of water brought in by the aqueducts, that veritable rivers flow through the city and its sewers: almost every house has cisterns, waterpipes, and copious fountains.” —strabo, as quoted in empires ascendant: time frame 400 b.c.–a.d. 200 cisterns are tanks that hold water until it is needed; if a house has a cistern, it is likely to also have a. aqueducts. c. a swimming pool. b. a fish pond. d. sinks and faucets.

How are the processes of asexual reproduction and sexual reproduction different? check all that apply.

Which of the following are characteristics of effective government leaders? select all that apply : has accumulated enough wealth to operate the government : willingness to accept responsibility : keep a government strong and active : has be a successful in the entertainment field : act as a final point of authority