After weeks of heavy rain, a section of clay cliff moves down the slope in a curved, rotating motion. Which type of mass movement is this?
Question 81 mark
How does a river valley's cross profile usually change from the upper course to the lower course?
Question 91 mark
The hydrograph shows the River Wenning after a storm. What is the lag time?
06121824303620406080Hours after the rain beganDischarge (cumecs)DischargePeak rainfall
Question 101 mark
The graph shows the percentage of people living in urban areas in three invented countries. Which country's urban percentage rose the most between 1980 and 2020?
Chart values
Category
Ostria
Velamo
Karuba
1980
74
30
12
1990
76
37
15
2000
78
45
19
2010
80
54
24
2020
81
62
31
Question 111 mark
Why do housebuilders often prefer greenfield sites to brownfield sites?
Question 121 mark
Why can GNI per head give a misleading picture of how well most people live in a country?
Question 131 mark
The table shows the share of jobs in each sector in Kessaria, an invented emerging country. Which sector's share grew the most between 1990 and 2020?
Share of jobs by sector in Kessaria (invented data)
Sector
1990 (%)
2020 (%)
Primary
64
38
Secondary
10
22
Tertiary
26
40
Question 141 mark
The scatter graph shows GNI per head and energy use per person for ten invented countries. What does it show?
01020304050600100200300GNI per head (thousand US dollars)Energy use per person (gigajoules a year)
Question 151 mark
A trig point is in grid square 4328. It lies 7 tenths of the way east across the square and 2 tenths of the way north up it. What is its six-figure grid reference?