What do these two changes have in common? using polish to remove tarnish from a silver spoon
salt and vinegar removing tarnish from a penny
Select all that apply.
Both are only physical changes.
Both are chemical changes.
Both are caused by heating.
Both are caused by cooling.

Troy is the ceo of a manufacturing company, and he is planning to open a new factory in his community.because the new factory will require heavier traffic from delivery trucks and employees' cars, troy is partnering with the city to expand and rebuild roadways in the neighborhood.as part of opening the factory, he also plans to create a new hiring program. because he wants his workers to gain skills, he will also offer them the opportunity to attend college courses to receive business training. which of these outcomes are possible negative externalities? check all that apply. increased traffic in the neighborhood surrounding the factory better roads for drivers in the area more educated workers in the community pollution from trucks making deliveries to the factory new job opportunities in the city

Which quotation reflects the perspective of most of georgia legislatures in 1956 regarding the georgia state flag? "georgia's flag should be updated to have a more modern look and design." "georgia's flag should be a symbol of integration and equal rights." "georgia's flag does not need to be changed; it represents peace and prosperity." "georgia's flag should be a symbol of our resistance to federal integration laws."

Which of the following is a problem in the health care system of the united states? a. too many doctors in rural areas b. too many doctors who are general practitioners c. fraud d. costs that are too low