WAEC 2020 Geography Practical Questions And Answers

Further maths

geography

MORE; WAEC 2020 Physics Essay & Obj Questions And Answers

No1a)
(1) Climatic Conditions: …
(2) Nearness to Raw Materials: …
(3) Nearness to Sources of power: …
(4) Nearness to Markets: …
(5) Adequate and Trained Labour: …
(6) Availability of Finance: …
(7) Momentum of an Early Start: …
(8) Political Patronage:

(1b)
Length of the map = 19.2
Length of the land = 19.2
19.2*50,000/1000
=960km

(1c)
-human Features-
(i)School
(ii)Hospital
(i)Market

-Physical features-
(i)River
(ii)Contour
(iii)Tree

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(3a)
(Choose Any five)
(i)Latitude
(ii)Altitude
(iii)Continentality or distance from the sea
(iv)ocean currents
(v)planetary winds and pressure belts
(v)slope and aspect

(3b)
(i)It has constant high temperature with daily temperature of 26°C with no winter
(ii)It has annual rainfall of over 200cm and rainfall is throughout the year
(iii)It has high humidity all year round with double maxima of rainfall
(iv)It has small annual temperature range of 2°C – 3°C
(v)It has convectional rainfall accompanied by lightening and thunder.
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(4a)
Weathering is defined as the gradual breaking down or disintegration of rocks by either physical or chemical process

(4b)
(i) Climate :Climate elements like temperature and rainfall are the major factors affecting Weathering. While physical Weathering is aided by temperature and water to break down rocks, chemical Weathering is aided by water and other gases in the atmosphere

(ii)Type of rocks : rocks are made up of different minerals while some are resistant to weathering others are not simply because of their differences in structure, composition and sizes of the rocks

(iii) Relief: very steep slopes like high mountains and courage weathering especially Frost action why gentle and even slopes favour chemical Weathering

(4c)
Exfoliation is a process in which large flat or curved sheets of rock fracture and are detached from the outcrop due to pressure release: As erosion removes the overburden from a rock that formed at high pressure deep in the Earth´s crust, it allows the rock to expand, thus resulting in cracks and fractures along sheet.
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(7)
Climate is the average weather condition of a Given area over a large period of time usually 35-40 years.

(7b)
[View image ➡]

(7c)
(i) Vast area of north africa.
(ii) middle East.
(iii) chile.
(iv) interior Australia.
(v) South western united state.

(7d)
(i) Hot desert climate are generally hot, Sunny and dry year-round.
(ii) Less Arid with annual precipitation a bit lower than 250mm.
(iii) Summer daytime temperature may exceed 40°C.
(iv) Hot desert soils are thin, sandy, rocky and Generally Grey in colour.
(v) During winter its temperature ranges between 20-30°C.

(8a)
Atmospheric pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles.

(8b)
(i)Mobile source
(ii)Area sources
(iii)Natural sources
(iv)Stationary sources

(8c)
(i)Deterioration of fields
(ii)Acid rain and Smog effect
(iii)Respiratory health problems
(iv)Climate change
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