Loess is a sediment that is deposited:
a. on top of a glacial ice
b. by wind
c. by meltwater
d. in lakes in front of the glacier
b
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During the holiday seasons, we tend to produce more waste. For example, we discard more wrapping paper, cards, and shopping bags. Moreover, according to the EPA, each year over 30 million live Christmas trees are sold in North America. Suggest at least five ways to reduce waste at holiday time.
What will be an ideal response?
The half-life of carbon 14 is _________ years
a. 5,730 d. 48.8 billion b. 40,000 e. 704 million c. 4.5 billion
Where in the ocean is oxygen most plentiful?
A) euphotic zone B) aphotic zone C) near the seafloor D) disphotic zone
Some developers in your town want to fill in an estuary to build a condominium with a wonderful view of a beach. They argue that building and selling apartments in the condominium will add jobs and income to the region
However, educated citizens ask about the cost of the development in lost ecosystem functions. They argue that in their local community, the jobs added in construction may be offset by expected losses in A) water quality and the local fishing industry. B) natural gas production in the region. C) lumber production for the regional timber industry. D) tourism and manufacturing.