What human activity is most responsible for the damage to the ozone layer? a) the use of freon and cfc spray propellants. b) deforestation and interruption of the water cycle. c) the contamination of groundwater with mercury and pcbs. eliminate d) burning of fossil fuels and the subsequent creation of acid rain.
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2polhiswhere is the energy in a glucose molecule stored? ooa. inside the carbon atomsb. inside the protonsc. in the bonds between the atomsood. inside the hydrogen atoms
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Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.
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1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area
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What human activity is most responsible for the damage to the ozone layer? a) the use of freon and...
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