What is one economic principle?
a. resources are unlimited
b. individuals have no rational self-interest
c. resources are limited
d. the wants of society are limited

When something is moving, it is in motion. pressing the gas pedal in a car will put the car in motion. two important properties of motion are speed and direction. speed is how fast an object is moving. tony and tanya both run for the same amount of time, in the same direction. tanya runs much further than tony in that time. how does tony's speed compare to tanya's speed? a) their speed is equal. b) tony is slower than tanya. c) tony is faster than tanya. d) without a stopwatch, you can't say for certain.

The biggest component / ingredient of summer time smog is

Which of the following do scientists believe about homo sapiens?