If green plants can be used to produce electricity by burning, then what can a plant be used to produce when it's burned? Answer choices: - toxins - energy - sun's heat - carbon dioxide - kinetic energy - heat energy - adding heat - Electricity
Electricity
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If insulated material is important in the winter season, then what is important in the winter season? Answer choices: - cold - air pressure - panic - heat energy - danger - Insulated material - hydration - Animal fur
Insulated material
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If stopping air pollution has a positive effect on an ecosystem, then what has a positive effect on an ecosystem? Answer choices: - maintaining air pollution - removing habitats - stopping air pollution - to stay warm - in the frog family - Electric generators - increasing air pollution - genetic diversity
stopping air pollution
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If plants require water for life-long learning, then plants require what for life-long learning? Answer choices: - Light - protein - Energy. - gametes - genes - water - energy - oxygen
water
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