Fact 1: Lungs are used for breathing air by land animals. Fact 2: Elephants are the largest land animals. Given the two facts above, answer the question "what uses lungs to breathe air?" with the following options: - insects - plants - humans - some mammals - oxygen - elephants - monotremes - Frogs
elephants

Fact 1: Abalance is used for measuring mass of an object. Fact 2: An object has no mass at absolute zero. Given the two facts above, answer the question "What object cannot be measured by a balance?" with the following options: - layers of fat - One at absolute zero - Warm air moving into cold air - all matter - direct damage to the lungs - slow and inefficient - movement of tectonic plates - Continents drifting
One at absolute zero

Fact 1: Adding salt to a solid decreases the freezing point of that solid. Fact 2: When seawater freezes, salt is expelled from the solid in a concentrated salt solution called brine. Given the two facts above, answer the question "What happens to salt in seawater as it freezes at the freezing point?" with the following options: - vaporization - boiling - expelled - salinity - evaporation - less water - water vapor - Temperature
expelled