(Q).
Fact 1: Irradiating food can be used to kill existing microorganisms in the food. Fact 2: Irradiation causes chemical changes. Given the two facts above, answer the question "what can be used to kill existing microorganisms in food?" with the following options: - chemical changes - Dehydration - deoxyribonucleic acid - bacteria - an electron microscope - hydration - electromagnetic energy - single-celled organisms
(A).
chemical changes

(Q).
Fact 1: Plants have specialized reproductive organs. Fact 2: Flowers are a plant's reproductive organs. Given the two facts above, answer the question "Plants have flowers for what?" with the following options: - warmth - reproduction - hiding - eating - reproduce - seeing - survival - food and shelter
(A).
reproduction

(Q).
Fact 1: Landfills have a negative impact on the environment. Fact 2: Less garbage goes into landfills. Given the two facts above, answer the question "What effect would less garbage have on the environment?" with the following options: - It decreases - lowered energy cost - an unknown effect - no effect - protect them - a better effect - reduced heat - a worse effect
(A).
a better effect