What is the current state of earthquake predictions? Why is predicting earthquakes important?
What will be an ideal response?
Scientists cannot currently accurately predict earthquakes, that is, the time and place they will occur. One approach is the study of paleoseismology to look at the history of each plate boundary in order to determine the frequency of past earthquakes. A second approach is to observe and measure the phenomena which may precede an earthquake. Earthquakes can be devastating events, both in terms of life lost and property damage.
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Which of the following is NOT a problem of subsistence agriculture?
A) It is subject to soil and precipitation variability. B) a lack of tools and high yielding seed C) Non-food crops, such as sugar and jute, become attractive to subsistence farmers due to the high prices they can get on the export market. D) Subsistence farmers can often barely provide for their families. E) Subsistence farmers suffer from a lack of capital.
Probably the single most characteristic feature of sedimentary rocks is ________
Fill in the blank(s) with correct word
Clay minerals help hold water and clay nutrients in soil.
Answer the following statement true (T) or false (F)
Convergent boundaries, due to their geometry, are the sites of the largest earthquakes on Earth.
Answer the following statement true (T) or false (F)