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

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: Q: What are the mineral deposits that fill in underground cracks called? Choices: - cores - currents - motherlode - veins A:
A: veins

Question: 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*
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).
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