Answer the following question given this paragraph: Brass alloys have long been employed in musical instruments. Q: What type of alloys are used in musical instruments? Choices: - plastics - bronze - copper - brass A:
brass
Answer the following question given this paragraph: The Moon is easily seen from Earth. Early astronomers used telescopes to study and map its surface. The Moon has also seen a great number of satellites, rovers, and orbiters. After all, it is relatively easy to get spacecraft to the satellite. Also, before humans could be safely sent to the Moon, many studies and experiments had to be completed. Q: What celestial object has been visited by manned spacecraft and is easily seen from earth? Choices: - venus - the Sun - Jupiter - moon A:
moon
Q: Answer the following question given this paragraph: Most flatworms have a distinct head region that includes nerve cells and sensory organs, such as eyespots. The development of a head region, called cephalization , evolved at the same time as bilateral symmetry in animals. This process does not occur in cnidarians, which evolved prior to flatworms and have radial symmetry. Q: The development of a head region is called what? Choices: - trichina - spore - cocklebur - cephalization A:
A: cephalization
Question: Answer the following question given this paragraph: Tundra is found near the poles and up on high mountains. Q: What kind of biome or climate might you find very close to the earth's poles, as well as up on high mountains? Choices: - tropical - desert - taiga - tundra A:
Answer: tundra
*Question*
Answer the following question given this paragraph: At transform plate boundaries, two plates move in opposite direction. Q: At transform plate boundaries, two plates move in which directions? Choices: - parallel - same - north and south - opposite A:
**Answer**
opposite
(Q).
Answer the following question given this paragraph: Alpha and beta decay occur when a nucleus has too many protons or an unstable ratio of protons to neutrons. When the nucleus emits a particle, it gains or loses one or two protons, so the atom becomes a different element. Gamma decay, in contrast, occurs when a nucleus is in an excited state and has too much energy to be stable. This often happens after alpha or beta decay has occurred. Because only energy is emitted during gamma decay, the number of protons remains the same. Therefore, an atom does not become a different element during this type of decay. Q: Alpha and beta decay occur when a nucleus has too many protons or an unstable ratio of what? Choices: - electrons to neutrons - atoms to neutrons - nucleus to neutrons - protons to neutrons A:
(A).
protons to neutrons