Q: Fact 1: Arefrigerator is used for keeping food fresh for a long period of time. Fact 2: People consume foods that are cold from refrigeration. Given the two facts above, answer the question "What used for keeping food fresh for a long period of time?" with the following options: - cooled - viruses - Energy - heat - Winter - bacteria - cold - phytoplankton
A: cold

Q: Fact 1: Acavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone. Fact 2: Any time water and carbon dioxide mix, carbonic acid is the result. Given the two facts above, answer the question "Which of the following added to groundwater creates caverns?" with the following options: - a solute - permineralization - calcite - storing water - flooding - salinity - carbon dioxide - heating liquids
A: carbon dioxide

Q: Fact 1: Menopause occurs when menstruation stops occurring, usually in middle adulthood. Fact 2: Hot flashes are the classic sign of menopause and peri-menopause. Given the two facts above, answer the question "What can happen when menstruation stops occurring?" with the following options: - Localized damage - Dehydration - periods - diabetes - massive damage - hot flashes - Sulfur dioxide - epilepsy
A: hot flashes

Q: Fact 1: Mollusks are invertebrates such as the common snail. Fact 2: Snails are protected by a hard shell on their backs. Given the two facts above, answer the question "What are some invertebrates protected by on their backs?" with the following options: - fur - parasites - barnacles - shells - coats - bones - bushes - Epidermis
A: shells