(i) Seismic focus - This is the spot in the earth's crust where the earthquake originates.
(ii) Epicentre - This is the point on the earth's surface vertically above the focus.
(iii) Seismograph - Also known as seismometer, seismograph refers to a delicate scientific instrument used to detect and record an earthquake thousands of kilometers away.
gideon1 answered the question on September 29, 2017 at 18:35
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Explain four ways in which rocks contribute to the economy of Kenya.
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Explain four ways in which rocks contribute to the economy of Kenya.
Date posted:
September 29, 2017
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Describe two ways in which sedimentary rocks are formed.
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September 29, 2017
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Explain three positive influence of rivers and their features to human activities.
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September 29, 2017
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Explain three reasons why the interior of the earth is very hot.
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September 29, 2017
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Describe four proofs that have been advanced to support the fact that the earth is spherical
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September 29, 2017
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September 29, 2017
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September 29, 2017
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State three factors that influence wind erosion in arid areas.
Date posted:
September 29, 2017
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Give three factors that determine the colour of soil.
Date posted:
September 29, 2017
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State three factors that influence folding.
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September 29, 2017
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Define folding
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September 29, 2017
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Differentiate between weather and climate.
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September 29, 2017
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Apart from soil creep, name three other types of slow –mass wasting.
Date posted:
September 29, 2017
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Explain how the following processes of weathering occur in arid areas (i)Crystal growth (ii)Exfoliation (iii) Block disintegration (iv) Granular disintegration
(Solved)
Explain how the following processes of weathering occur in arid areas.
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Date posted:
September 29, 2017
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(Solved)
State three factors that influence the rate at which weathering occurs.
Date posted:
September 29, 2017
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Differentiate between weathering and denudation.
Date posted:
September 29, 2017
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(Solved)
Some students carried out a field study
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Date posted:
September 29, 2017
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(Solved)
Describe the process of a river capture.
Date posted:
September 29, 2017
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(Solved)
Explain three factors that lead to rejuvenation of a river.
Date posted:
September 29, 2017
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(Solved)
Describe how a river erodes its channels by the following process.
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Date posted:
September 29, 2017
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Answers (1)