2. In the morning, a student puts a warm can of soda in a cooler filled with ice. He closes the cooler. At lunch, the can of soda is colder. What happened to the total amount of energy in the cooler containing the can of soda and the ice? (Assume that no energy is transferred into or out of the cooler when it is closed.)

Which conflict is often referred to as the first "televised war"? a) gulf war b) korean war c) vietnam war d) world war ii

Which statement below accurately describes the carrying capacity of any ecosystem? a. it is not affected by any abiotic or biotic resources. b. it does not affect the species of an ecosystem. c. it is completely dependent upon the food supply. d. it is affected by both abiotic and biotic resources

“obamacare”: included a provision for government-run health insurance called “the public option.” was bitterly opposed by congressional republicans because most favored a “single-payer” plan. survived two challenges to its constitutionality. was partially repealed in 2013 in order to avert a government shutdown. led to the expansion of medicaid in republican controlled states.