Why is predicting future sea level change such a tricky task?
What will be an ideal response?
It is difficult to predict future changes in sea level because the effects of global warming on the melting of continental glaciers are not well constrained. As the global climate warms, some ice sheets such as the one over Greenland should shrink, whereas others such as the one over East Antarctica may grow. The majority of the Earth's ice is locked up in these large ice sheets, so the impacts they could have on sea-level through glacial surges, growth, and melt-off are large.
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An ion with a positive charge is called a(n) ________
Fill in the blank(s) with the appropriate word(s).
During the early 19th century, most British settlers to the Pacific Northwest were what?
A) British loyalists who had fled to Canada during the Revolutionary War. B) Employees of the Hudson's Bay Company C) Independent hunters and trappers trading with the native tribes D) Irish immigrants fleeing the British takeover of Northern Ireland.
A dim, "watery" Sun visible through a gray sheet-like cloud layer is often a good indication of ____ clouds
a. stratocumulus b. cirrostratus c. cumulonimbus d. altostratus e. nimbostratus
Briefly describe the different ways that ocean currents are measured
What will be an ideal response?