What's the most important point in the following sentence? my sister emily, the tallest girl in her class, has many friends. a. emily has many friends. b. emily is the tallest girl in her class. c. my sister's name is emily. d. emily is my sister.

Which quantities decrease as the distance between a planet and the sun increases? check all that apply.

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more.b-it made cross-country travel too expensive for ordinary americans.c-it decreased the safety of americans who moved to settle the plains.d-it shortened travel time between the east and west for all americans.

Characteristics of what type of economic system are being described below? 1.economy in which some/all of the basic economic questions answered by central authority 2.trade generally limited to what is produced through the influence of the government a.command economies. b.market economies. c.traditional economies.