Question: Adding salt to a liquid decreases the melting point of that liquid, and sodium Chloride: It is a table salt . Given these facts, what do you add to decrease the melting point of a liquid among the following options: - salinity - Dehydration - Heat energy - sodium chloride - layers of fat - chemical changes - evaporation - aqueous solution
Answer: sodium chloride

Question: Heterotrophs are living things that cannot make their own food, and heterotrophs get organic molecules from other organisms. Given these facts, what does food contain among the following options: - time - Organic molecules - money - fur and fat - chlorofluorocarbons - love - Chemical energy - wavelengths and photons
Answer: Organic molecules

Question: Using a gasoline engine requires burning gasoline, and fossil fuels include coal, oil, natural gas, and gasoline. Given these facts, what does an engine require burning among the following options: - Time and energy - energy - wind - water - carbon dioxide - layers of fat - fossil fuels - sunlight
Answer:
fossil fuels