A chemist has 100ml of 25 acid solution.

What is likely to happen if a new aggregate demand curve moves to the right? prices and output would drop, and the equilibrium point will stay the same. prices would rise, and output would drop in the short run. prices and output would rise, and the equilibrium point will change. prices would rise, and output would drop in the long run.

Earth's atmosphere is unique among the planets and is able to support life because it contains a large amount of a) oxygen b) helium c) methane d) carbon dioxide

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers