Q: What is is a measurement of the force amplification of a machine? Choices: - mechanical push - mechanical pull - force multiplier - mechanical advantage A:
mechanical advantage

Q: What is only effective if ventilation is matched to blood flow through alveolar capillaries? Choices: - iron lung - blood pressur control - assisted breathing - breathing control A:
breathing control

Q: Q: What is the part of the flower that produces pollen? Choices: - cones - stigma - leaves - stamen A:
A: stamen

Question: Q: What is a copy of an object that is formed by reflected light? Choices: - deflection - instance - example - image A:
Answer: image

*Question*
Q: What is a device used to measure temperature changes during chemical processes called? Choices: - altimeter - alethiometer - thermometer - calorimeter A:
**Answer**
calorimeter

Q: Q: Although they are as different as deserts and wetlands, all of these ecosystem units have populations of interacting species? Choices: - corals - continents - zoos - biomes A:
A: biomes