Q: If when steel conducts heat, the steel expands, then what expands when it conducts heat? Answer choices: - lipids - fabric - glass - Energy. - steel - cement - a prism - plastic
A: steel

Q: If the Earth being tilted on its rotating axis causes yearly temperature variations, then what causes yearly temperature variations? 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
A: earth's tilt on rotating axis

Q: If mushrooms are found on compost, then where are mushrooms found? Answer choices: - ocean - mountains - vegetation - loose dirt - limestone - compost - metal - loose soil
A: compost

Q: If the resources that plastic bags come from are nonrenewable, then what comes from non-renewable resources? Answer choices: - plastic bags - renewable goods - burning coal - emissions - carbon dioxide - organic plants - paper - Sulfur dioxide
A: plastic bags