Q: The cycle of copper reacting is a good example of what principle? Choices: - law of inertia - conservation of energy - conservation of momentum - conservation of mass A:
conservation of mass

Q: What is the purpose of utilizing careful farming practices such as rotating crops or planting nutrient rich crops? Choices: - improve sediment quality - improve photosynthesis quality - improve soil texture - improve soil quality A:
improve soil quality

Q: Silencing genes through epigenetic mechanisms is commonly practiced on what type of uncontrolled cells? Choices: - giving cells - neutral cells - innoculous cells - cancer cells A:
cancer cells

Q: Burning trees produces most of the same pollutants as burning what? Choices: - fossil compounds - carbon - coal fuels - fossil fuels A:
fossil fuels