Q: Answer the following question given this paragraph: Laurentbonneau. The holes in bread are created by yeast fermentation . CC-BY 3.0. Q: What causes holes in bread? A:

OPTIONS:
- heat
- alcohol fermentation
- moisture
- yeast fermentation

A: yeast fermentation

input: OPTIONS:
- hypothesis
- concept
- conjecture
- theory Now, answer this question: Answer the following question given this paragraph: A : A theory is needed to explain gravity. In science, a theory is a broad explanation that is supported by a great deal of evidence. Q: What is another name for a broad explanation that is supported by a great deal of evidence? A:
A:
output: theory

Answer the following question given this paragraph: The pineal gland is a tiny gland located at the base of the brain. It secretes the hormone melatonin. This hormone controls sleep-wake cycles and several other processes. Q: What gland is located at the base of the brain and secretes the hormone melatonin? A:

OPTIONS:
- thymus
- pituitary
- thyroid
- pineal

Answer: pineal

Problem: OPTIONS:
- gaseous reaction
- acid reaction
- balanced reaction
- chemical reaction
Q: Answer the following question given this paragraph: Compounds form when atoms of different elements combine. This process is a chemical reaction. Q: In which type of reaction are compounds formed? A:
Answer: chemical reaction

Problem:OPTIONS:
- power
- acceleration
- tolerance
- efficiency

Answer the following question given this paragraph: Ion drives have low thrust but high efficiency. They have already been used on several space missions, including NASA's Deep Space 1spacecraft and Japan'sHayabusa asteroid sampling probe. Source: Photo courtesy of NASA,http://commons. wikimedia. org/wiki/File:Ion_Engine_Test_Firing_-_GPN2000-000482. Q: Ion drives have low thrust but high what? A:
****
A: efficiency

Problem:OPTIONS:
- genomes
- fission
- mutations
- meiosis

Answer the following question given this paragraph: All of our cells contain DNA. Meiosis ensures that each gamete receives a copy of each chromosome. Q: What process within cells makes sure that every gamete receives a copy of every chromosome? A:
****
A:
meiosis