Answer the following question given this paragraph: About 75% of the tar sands in the world are in Venezuela and Alberta, Canada ( Figure below ). Large areas of land are degraded when tar sands are mined. A tremendous amount of waste rock is produced from mining tar sands. Q: Where are about 75% of the tar sands in the world located? Choices: - china and onatrio, canada - alberta, canada and peru - venezuela and onatrio,canada - venezuela and alberta, canada A:
venezuela and alberta, canada
Answer the following question given this paragraph: high proportion of amino acids in the protein have nonpolar side chains. The term hydrophobic interaction is often misused as a synonym for dispersion forces. Hydrophobic interactions arise because water molecules engage in hydrogen bonding with other water molecules (or groups in proteins capable of hydrogen bonding). Saylor URL: http://www. saylor. org/books. Q: Hydrophobic interactions arise because water molecules engage in what type of bonding with other water molecules? Choices: - aquatic bonding - oxygen bonding - helium bonding - hydrogen bonding A:
hydrogen bonding
Q: Answer the following question given this paragraph: Underground water can be heated by magma. The hot water moves through cracks below Earth's surface. Hot water can hold more dissolved particles than cold water. The hot, salty solution has chemical reactions with the rocks around it. The water picks up more dissolved particles. As it flows through open spaces in rocks, the water deposits solid minerals. When a mineral fills cracks in rocks, the deposits are called "veins. " Figure below shows a white quartz vein. When the minerals are deposited in open spaces, large crystals grow. These rocks are called geodes. Figure below shows a "geode" that was formed when amethyst crystals grew in an open space in a rock. Q: What are the mineral deposits that fill in underground cracks called? Choices: - cores - currents - motherlode - veins A:
A: veins
Question: Answer the following question given this paragraph: Many pathogens spread by droplets in the air. Droplets are released when a person coughs or sneezes, as you can see in Figure below . The droplets may be loaded with pathogens. Other people may get sick if they breathe in the pathogens on the droplets. Viruses that cause colds and flu can spread this way. Q: Many pathogens spread by droplets in the air. droplets are released when a person does what? Choices: - cries or laughs - itches or scratches - vomits or cries - coughs or sneezes A:
Answer: coughs or sneezes
*Question*
Answer the following question given this paragraph: Q: What part of the kangaroo helps it balance when it leaps as well as when it sits? Choices: - large feet - the pouch - the spine - the tail A:
**Answer**
the tail
(Q).
Answer the following question given this paragraph: Stems hold plants upright, bear leaves and other structures, and transport fluids between roots and leaves. Q: What basic structure holds plants upright, bears leaves and other structures, and transports fluids between roots and leaves? Choices: - branches - flowers - leaves - stem A:
(A).
stem