*/*_The science of drawing map is called?

1.	/_The science of drawing map is called?
A.	Cartography
B.	Geography
C.	Topology
D.	Geology
Answer» B. Geography

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For a sandy soil having an angle of internal friction 30°, the ratio of passive and active lateral earth pressure will be
A 6 m high retaining wall having a smooth vertical back face retains a layered horizontal backfill. Top 3 m thick layer of the backfill is sand having an angle of internal friction, ϕ = 30° while the bottom layer is 3 m thick clay with cohesion, C = 20 kPa. Assume unit weight for both sand and clay as 18 kN/m3. The total active earth pressure per unit length of the wall (in kN/m) is:
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*/*_The science of drawing map is called?

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/_The science of drawing map is called?