Describe the advantages of composting
What will be an ideal response?
In natural systems, there is no solid waste. All organic waste is used for food by other organisms. Conversion of organic waste into mulch or humus through the natural biological processes of decomposition reduces landfill waste, enriches soil and helps it retain water, resist erosion, encourages soil biodiversity, makes for healthier plants and more pleasing gardens, and reduces the need for irrigation and chemical fertilizers.
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Use 111 km (69 mi) per degree of latitude to find the linear distance in kilometers and miles between the latitude of the:
a) Magnetic North Pole and true north _____________________ b) Magnetic South Pole and true south _____________________
What type of rock is shown in this photograph from the Investigation?
A. an igneous rock B. shale C. a metamorphic rock D. conglomerate E. sandstone
The ice-albedo feedback is based on
A) the relationship between albedo and insolation absorbed by the surface. B) the relationship between albedo and the ITCZ. C) the relationship between albedo and sulfate aerosols. D) the relationship between albedo and sea level.
Which is NOT a proposed geoengineering solution to mitigate climate change?
a. increasing the storage of carbon in land b. increasing the storage of carbon in oceans c. increasing the storage of carbon in the lower atmosphere d. planting additional trees e. injecting aerosols into the atmosphere