Answer the following question given this paragraph: Q: What atmosphere do gills help exchange gas in? Choices: - stratosphere - ecosystem - air - water A:
water
Answer the following question given this paragraph: Farsightedness, or hyperopia, is the condition in which distant objects are seen clearly, but nearby objects are blurry. It occurs when the eyeball is shorter than normal. This causes images to be focused in back of the retina. Hyperopia can be corrected with convex lenses. The lenses focus images farther forward in the eye, so they are on the retina instead of behind it. Q: Farsightedness, or hyperopia, is the condition in which distant objects are seen clearly, but nearby objects are? Choices: - inverted - darker - invisible - blurry A:
blurry
Q: Answer the following question given this paragraph: If a solute is a gas, increasing the temperature decreases its solubility. For example, less carbon dioxide can dissolve in warm water than in cold water. Q: In which kind of water can less carbon dioxide dissolve? Choices: - cool water - tap water - salt water - warm water A:
A: warm water
Question: Answer the following question given this paragraph: Q: What is used to measure electric current? Choices: - atomizer - chronometer - anemometer - galvanometer A:
Answer: galvanometer
*Question*
Answer the following question given this paragraph: Antacids are bases that neutralize acids in the digestive tract. Magnesium hydroxide [Mg(OH)2] is one such antacid. It reacts with hydrochloric acid in the stomach according to the following reaction: Mg(OH)2 + 2HCl MgCl2 + 2H2O How many grams of HCl can a 200 mg dose of Mg(OH)2 neutralize?. Q: Antacids are bases that neutralize what in the digestive tract? Choices: - fats - hormones - salts - acids A:
**Answer**
acids
*Question*
Answer the following question given this paragraph: Metals such as iron are useful for many purposes because of their unique properties. For example, they can conduct electricity and bend without breaking. However, pure metals may be less useful than mixtures of metals with other elements. For example, adding a little carbon to iron makes it much stronger. This mixture is called steel. Steel is so strong that it can hold up huge bridges, like the one pictured above. Steel is also used to make skyscrapers, cargo ships, cars, and trains. Steel is an example of an alloy. Q: Adding carbon to iron makes what type of metal? Choices: - ions - titanium - plastic - steel A:
**Answer**
steel