Q: If abreathing mask is used for keeping aerosols from entering the respiratory system, then what can be used for keeping aerosols from entering the respiratory system? Answer choices: - goggles - hydration - sweating - hydrogen and oxygen - breathing masks - lab coats - layers of fat - gloves
A: breathing masks

Q: If aflashlight requires a battery to produce light, then what requires a battery to produce light? Answer choices: - flashlight - energy - mirror - microscope - direct energy - fire - cactuses - glowworm
A: flashlight

Q: If plastics are made from fossil fuels, then what is made from fossil fuels? Answer choices: - renewable resources - Fuel cells - the Sun - water - plastic - emissions - gasoline - cigarettes
A: plastic

Q: If gas bubbles burst when liquids are heated, then what happens when liquids are heated? Answer choices: - Evaporation - chemical reaction - air is cooled - food is chilled - It expands - gas bubbles burst - flow of electrons - bubbles reduce
A: gas bubbles burst