Ques:Q: What is a substance that increases the hydrogen ion concentration of a solution? Read this paragraph and choose the correct option from the provided answers: Choices: - carbon - sulfur - base - acid A:

Ans:acid
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Ques:Q: Transforming from a caterpillar to a butterfly requires a lot of what? Read this paragraph and choose the correct option from the provided answers: This caterpillar is busily munching its way through leaf after leaf. In fact, caterpillars do little more than eat, day and night. Like all living things, they need food to provide their cells with energy. The caterpillar will soon go through an amazing transformation to become a beautiful butterfly. These changes require a lot of energy. Choices: - Water - fuel - food - energy A:

Ans:energy
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Ques:Q: What of a electromagnetic wave can be calculated using the wave equation due to their speed always being constant? Read this paragraph and choose the correct option from the provided answers: Green light has a higher frequency than microwaves. It is possible to calculate it, but since the speed of an electromagnetic wave is constant we know that waves with higher wavelengths must have a lower frequency based on the wave equation. Choices: - oscillation - resonance - sound - frequency A:

Ans:frequency
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Ques:Q: What contains carbon, hydrogen, and oxygen in a ratio of 1:2:1? Read this paragraph and choose the correct option from the provided answers: The term carbohydrate comes from the fact that the majority contain carbon, hydrogen, and oxygen in a ratio of 1:2:1, making for an empirical formula of CH 2 O. This is somewhat misleading because the molecules are not actually hydrates of carbon at all. Carbohydrates are monomers and polymers of aldehydes and ketones that have multiple hydroxyl groups attached. Choices: - helium - sodium - magnesium - carbohydrate A:

Ans:
carbohydrate
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