Q: Frogs and toads have long back legs which are specialized for what action? Choices: - flying - swimming - sprinting - jumping A:
jumping

Q: Ingestive protists extend their cell wall and cell membrane around the food item, forming a what? Choices: - food pocket - fuel vacuole - protective bubble - food vacuole A:
food vacuole

Q: Q: Strangeness, charm, bottomness, and topness are properties of what subatomic particle? Choices: - pion - dark matter - molecules - quarks A:
A: quarks

Question: Q: The combustion of propane gas produces carbon dioxide and what else? Choices: - methane - carbon monoxide - phosphorous - water vapor A:
Answer: water vapor

*Question*
Q: What instrument, with a digital readout, is used by scientists to measure very small masses? Choices: - mixed balance - mechanical balance - common balance - electronic balance A:
**Answer**
electronic balance

(Question)
Q: What laboratory instrument is used to analyze and test for static charge? Choices: - microscope - bunsen burner - microtome - electroscope A:
(Answer)
electroscope