Answer the following question given this paragraph: Amines are bases; they react with acids to form salts. Q: Amines are bases; they react with acids to form what? Choices: - oils - ions - proteins - salts A:
salts
Answer the following question given this paragraph: Meteorites provide clues about our solar system. Many were formed in the early solar system ( Figure below ). Some are from asteroids that have split apart. A few are rocks from nearby bodies like Mars. For this to happen, an asteroid smashed into Mars and sent up debris. A bit of the debris entered Earth's atmosphere as a meteor. Q: What astronomical phenomenon, formed of split asteroids or planetary rocks, provides clues about our solar system? Choices: - galaxies - comets - stars - meteorites A:
meteorites
Q: Answer the following question given this paragraph: Acidity is measured by pH, which is the concentration of hydrogen ions in a solution. Q: What is described by the concentration of hydrogen ions in a solution? Choices: - neutrality - hydrogeny - oxidation - ph A:
A: ph
Question: Answer the following question given this paragraph: Testing a hypothesis requires data. Data can be gathered by observations or by experiments. Q: What do you require to test a hypothesis? Choices: - estimates - opinion - conclusion - data A:
Answer: data
*Question*
Answer the following question given this paragraph: One thing is true of both regular and diffuse reflection. The angle at which the reflected rays leave the surface is equal to the angle at which the incident rays strike the surface. This is known as the law of reflection . The law is illustrated in the Figure below and also in this animation: http://www. physicsclassroom. com/mmedia/optics/lr. cfm. Q: Which law describes the angle at which the reflected rays leave the surface is equal to the angle at which the incident rays strike the surface? Choices: - gravity - velocity - diffusion - reflection A:
**Answer**
reflection
*Question*
Answer the following question given this paragraph: An island arc is a line of volcanoes on an oceanic plate. A continental arc is a line of volcanoes on a continental plate. Q: What type of plate is an island arc found on? Choices: - continental - coastal - shear - oceanic A:
**Answer**
oceanic