Rivers, Coasts and Population

Which erosion process pushes water into cracks in the riverbank?

• Solution
• Hydraulic action
• Abrasion
• Attrition

____ occurs when transported rocks knock together and become smaller and rounder.

• Attrition
• Corrosion
• Abrasion
• Traction

Which transport process carries fine particles within the water?

• Solution
• Saltation
• Suspension
• Traction

V-shaped valleys form in the upper course of a river.

• True
• False

A waterfall forms where soft rock lies over hard rock.

• True
• False

A cut-off meander forms an ____.

• oxbow lake
• gorge
• levée
• delta

What forms on the inside of a meander bend?

• Levée
• Plunge pool
• River cliff
• Slip-off slope

Which waves build up beaches through deposition?

• Destructive waves
• Constructive waves
• Backwash waves
• Longshore waves

What is the correct order of coastal headland erosion features?

• Stack, stump, cave, arch
• Stump, stack, arch, cave
• Cave, arch, stack, stump
• Arch, cave, stump, stack

Material moved along the shore in a zig-zag path is called ____.

• hydraulic action
• longshore drift
• saltation
• traction

Spurn Head in Yorkshire is a classic example of a what?

• Spit
• Delta
• Stack
• Arch

When did China introduce its one-child policy?

• 1949
• 1989
• 2016
• 1979

China relaxed its one-child policy in 2016.

• True
• False

Factors like war, drought, or poverty that drive people away are ____ factors.

• pull
• situation
• push
• site

Informal settlements in Brazilian cities are called what?

• Deltas
• Favelas
• Conurbations
• Levées