Question: Cutting down trees has a negative impact on an ecosystem, and oak trees are so strong. Given these facts, what has a negative impact on an ecosystem among the following options: - massive damage - Pesticides - good weather - Destroy bridges - planting trees - normal water levels - deforestation - cutting down oaks
Answer: cutting down oaks

Question: Disease-causing microbes have a negative impact on the body, and microbes are also called microorganisms. Given these facts, what has a negative impact on the body among the following options: - disease-causing microorganisms - air - water - wind and erosion - food - smallest agents of disease - exposure to cold - influenza orthomyxoviruses
Answer: disease-causing microorganisms

Question: Atoaster converts electrical energy into heat energy for toasting, and toasting bread also makes it sweeter and crunchier. Given these facts, what happens when a toaster converts electrical energy into heat energy among the following options: - bread condenses - bread gets sweeter and crunchy - heat is produced - heat production - Temperature changing - Earth revolving around the sun - clouds form - bread evaporates
Answer:
bread gets sweeter and crunchy