Answer the following question given this paragraph: Figure 2.13 Oil and water do not mix. As this macro image of oil and water shows, oil does not dissolve in water but forms droplets instead. This is due to it being a nonpolar compound. (credit: Gautam Dogra). Q: What does oil do when mixed with water? Choices: - dissolves - precipitates - dissappears - forms droplets A:
forms droplets
Answer the following question given this paragraph: Soil scientists measure the percentage of sand, silt, and clay in soil. They plot this information on a triangular diagram, with each type of particle at one corner ( Figure below ). Q: What kind of scientists measure percentages of sand, silt, and clay? Choices: - texture scientists - amount scientists - petro scientists - soil scientists A:
soil scientists
Q: Answer the following question given this paragraph: The Tyndall effect is the scattering of visible light by colloidal particles. Q: The tyndall effect refers to the scattering of what by colloidal particles? Choices: - primary colors - dark matter - dust mites - visible light A:
A: visible light
Question: Answer the following question given this paragraph: Lightning occurs when there is a sudden discharge of static electricity between a cloud and the ground. Q: What occurs when there is a sudden discharge of static electricity between a cloud and the ground? Choices: - updraft - wind - rain - lightning A:
Answer: lightning
*Question*
Answer the following question given this paragraph: Mars is the easiest planet to observe. As a result, it has been studied more than any other planet besides Earth. People can stand on Earth and observe the planet through a telescope. We have also sent many space probes to Mars. In April 2011, there were three scientific satellites in orbit around Mars. The rover, Opportunity, was still moving around on the surface. No humans have ever set foot on Mars. NASA and the European Space Agency have plans to send people to Mars. The goal is to do it sometime between 2030 and 2040. The expense and danger of these missions are phenomenal. Q: Which other planet in the solar system is the easiest to observe from earth? Choices: - Pluto - Mercury - Jupiter - mars A:
**Answer**
mars
*Question*
Answer the following question given this paragraph: Coevolution occurs when species evolve together. This often happens in species that have symbiotic relationships. Examples include flowering plants and their pollinators. Q: What is the term for species evolving together? Choices: - conjuration - interconnection - specmutation - coevolution A:
**Answer**
coevolution