1. Inter-relationship between people
and environment
(2a
People IM ) PO
I VE PA S
SIT CT ITIV
PO S
a) CT S E
(1 A
IMP
(1b
IMP ) NEG ATIVE
AC AT EG
) N TS
TS IVE (2b AC
IMP
Environment

2. Inter-relationship between people and
environment
1a. How does human activities have positive
impact on the environment?
 “Cloud seeding” = use rockets/planes to
disperse substance > brings rainfall into
areas that are semi arid/ facing drought
 Positive impacts = survival of vegetation,
prevent drought
 Sustainable development = meets the
needs of the present without compromising
the ability of future generations to meet
their own needs

3. (1b)How does human activities have negative
impact on the environment?
 Humans may over cultivate the soil,
which leads to soil erosion
 Soil erosion = detachment of soil
particles, causes soil to loosen
 Deforestation = removal of top layer of
soil (which contains the most nutrients
and minerals). Hence during heavy
rainfall, top soil will be washed off

4. 2a.How does the physical environment
affect people positively
It provides natural resources that
benefits people eg Sunlight, minerals
Note: Resources can be renewable
(Able to replenish itself eg air, wind) or
non-renewable (Unable to replenish
itself/takes a long time to replenish eg
coal, petroleum)

5. 2b. How does the physical
environment affect people
negatively?
Natural disasters that destroys
human settlements eg Flood, tsunami
Unfavourable weather conditions will
affect people’s activities eg rainy day

6. 3.Which has a greater influence?
Justify your answers.
(a) Environment has greater influence on
people as extreme weather changes or
natural disasters are beyond human control
eg Tsunami, flooding
(b) People has greater influence on
environment as changes made to the
environment causes irreversible damages.
Humans also depletes natural resources
that are limited in their supply.

7. A. What is the definition of the Physical and Human environment?
!Kung Bushmen Singaporean
 Live in a largely  Live in a largely
physical human
environment environment
 Adapted to their  Modified much of
environment and
made few changes the environment to
to it meet their needs

8. !Kung Bushmen Singaporeans
Technology Simple technology High-technology
such as Handmade
tools
Eg. Ostrich egg shells Eg, Water kettle,
to store water,
Eg Spears made from Eg Steel rods in
wood and animal hunting,
bones,
Eg Bows and arrows Eg Machine guns
made from animal in hunting
muscles, stems and
grass

9. !Kung Bushmen Singaporeans
Water Water holes Taps
sources Fruits and berries Reservoirs/Rain
Imported water
Bottled/canned drinks
Food Hunting animals Buying cooked food
sources Gathering roots, or raw food from the
berries, fruits and nuts super-markets, wet
from the wild markets and food stalls

10. !Kung Bushmen Singaporeans
Vegetation Sparse vegetation Little natural
vegetation
-Deserts covered with -Planted trees
mostly land and flowers
- Shrubs and -Conserved
grassland natural
catchment areas