Q: You are presented with the question "What expands when it conducts heat?" and the following answer choices: - lipids - fabric - glass - Energy. - steel - cement - a prism - plastic Now knowing that when metal conducts heat , that metal expands and steel is the most useful of metals, choose the best answer.
A: steel

Q: You are presented with the question "What causes yearly temperature variations?" and the following answer choices: - earth's rotation - scattered light - earth's bend on rotating axis - exposure to cold - depress neuronal excitability - earth's tilt on rotating axis - wind and erosion - earth's tilt on rotating half Now knowing that the Earth being tilted on its rotating axis causes seasons and latitude and season cause temperature variations, choose the best answer.
A: earth's tilt on rotating axis

Q: You are presented with the question "where are mushrooms found?" and the following answer choices: - ocean - mountains - vegetation - loose dirt - limestone - compost - metal - loose soil Now knowing that slime molds are fungus-like protists commonly found on rotting logs and compost and an obvious sign of mature logs is the appearance of mushrooms, choose the best answer.
A: compost

Q: You are presented with the question "What comes from non-renewable resources?" and the following answer choices: - plastic bags - renewable goods - burning coal - emissions - carbon dioxide - organic plants - paper - Sulfur dioxide Now knowing that plastics are made from petroleum and produce toxic waste and plastic bags are made from non-renewable petroleum resources, choose the best answer.
A: plastic bags