Question: Answer the following question given this paragraph: Puberty lasts from about ages 12 to 18 years and is controlled by hormones. Q: What chemical affects the onset of puberty and duration? Choices: - steroids - enzymes - acids - hormones A:
Answer: hormones

Question: Answer the following question given this paragraph: The oxidation of an alcohol can produce either an aldehyde or a ketone. Ethanol can be oxidized in the laboratory through a heating process combined with the addition of an oxidizing agent such as the dichromate ion, which catalyzes the reaction in an acidic solution. The reaction produces the aldehyde ethanal (acetaldehyde). Q: The oxidation of an alcohol can produce either an aldehyde or what? Choices: - enzyme - amine - ester - ketone A:
Answer: ketone

Question: Answer the following question given this paragraph: The problem doesn't stop with plowing. Crops are usually planted in rows, with bare soil in between the rows. In places where crops grow only during part of the year, the land may be bare for a few months. Q: In places where crops grow only during part of the year, the land may be bare for a few? Choices: - days - weeks - minutes - months A:
Answer:
months