The law of conservation of matter has very important consequences in terms of how we handle our wastes. Explain this statement.
What will be an ideal response?
Matter can neither be created or destroyed therefore when was cannot truly ‘dispose' of our waste. We can only change its chemical or physical form.
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What are the eight most common elements found in Earth's crust, listed from most common to least common (by percentage)?
Oxygen, silicon, aluminum, iron, calcium, magnesium, potassium, sodium Oxygen, silicon, aluminum, iron, calcium, sodium, potassium, magnesium Oxygen, silicon, aluminum, iron, calcium, sodium, magnesium, potassium Oxygen, silicon, aluminum, iron, calcium, potassium, sodium, magnesium Magnesium, potassium, sodium, calcium, iron, aluminum, silicon, oxygen
Satellites observe clouds by: a. measuring both visible and infrared radiation
b. measuring only infrared radiation. c. measuring only visible radiation. d. None of these choices.
Construction of a reservoir behind a dam
A. stabilizes the sides of the reservoir walls; the water buoys them up. B. can destabilize the slopes by increasing pore fluid pressure. C. has no effect on slope stability. D. destabilizes the slopes because of the weight of the dam.
Calculate the average population density of the cities on the graph. Does the city that has average population density also have average carbon emissions?
A) Yes, average population density correlates with average carbon emissions. B) No, carbon emissions are higher than average in the city with average population density. C) No, carbon emissions are actually lower than average in the city with average density. D) Yes, average population density causes average carbon emissions.