Answer the following question given this paragraph: Figure below shows some of the damage done by acid rain. Acid rain ends up in soil and bodies of water. This can make them very acidic. The acid strips soil of its nutrients. These changes can kill trees, fish, and other living things. Acid rain also dissolves limestone and marble. This can damage buildings, monuments, and statues. Q: What type of rain dissolves limestone and marble? Choices: - carbon - natural - sulfur - acid A:
acid
Answer the following question given this paragraph: Chloroplasts contain stacks of thylakoids , which are flattened sacs of membrane. Energy from sunlight is absorbed by the pigment chlorophyll in the thylakoid membrane. There are two separate parts of a chloroplast: the space inside the chloroplast itself, and the space inside the thylakoids ( Figure below ). Q: Energy from sunlight is absorbed by what pigment in the thylakoid membrane of chloroplasts? Choices: - tannin - keratin - melatonin - chlorophyll A:
chlorophyll
Q: Answer the following question given this paragraph: Sexual reproduction occurs when spores from two parents fuse and form a zygospore. Q: What forms when the spores from two parents fuse during sexual reproduction? Choices: - xerophyte - spirogyra - monospore - zygospore A:
A: zygospore
Question: Answer the following question given this paragraph: Q: What often form symbiotic associations with much larger organisms? Choices: - protists - eukaryotes - viruses - prokaryotes A:
Answer: prokaryotes
*Question*
Answer the following question given this paragraph: Scientists think the solar system formed from a big cloud of gas and dust, called a nebula . This is the solar nebula hypothesis. The nebula was made mostly of hydrogen and helium. There were heavier elements too. Gravity caused the nebula to contract ( Figure below ). Q: Scientists think the solar system formed from a big cloud of gas and dust called what? Choices: - comet - supernova - Oort cloud - nebula A:
**Answer**
nebula
(Q).
Answer the following question given this paragraph: In a wheel and axle, force may be applied either to the wheel or to the axle. In both cases, the direction of the force does not change, but the force is either increased or applied over a greater distance. Q: In a wheel and axle, when force is applied either to the wheel or axle, what aspect of the force does not change? Choices: - speed - pressure - shift - direction A:
(A).
direction