A fixed supply can be .

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

It can take some of those large , industrial vehicles up to feet to stop when traveling only 60 mph, and therefore , you shoukd be mindful to not be jn the traffic right in front of them a. 100 feet b. 200 feet c. 335 feet d. 425 feet

When an object is heated it contracts. a. true b. false