Q: Which is the most common sti (sexually transmitted infection) in the united states? Choices: - AIDS - giardia - syphilis - chlamydia A:
chlamydia
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Q: Nitrogen is a very important element to living things, because it is part of nucleotides and amino acids that are the building blocks of nucleic acids and these? Choices: - cells - lipids - follicles - proteins A:
proteins
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Q: The needle of a compass is made of what element? Choices: - tin - aluminum - nickel - iron A:
iron
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Q: When two electric contacts come together it completes a what? Choices: - charge - breaker - atom - cricuit A:
cricuit
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