The destruction and preservation of evidence Flashcards
1
Q
Natural environment-
A
Climate and Vegetation-
- Natural disasters e.g. Earthquakes
- Long term: Weathering such as wind, water erosion, heat and cold
- Plants and animals, rats, insects, fungi, bacteria wreak
2
Q
Human agents of Destruction- Warfare
A
- Conflict like looting
- Religious extremists
3
Q
Tourism-
A
-Mass touriisism- walk over, touch leading to contamination and transportation of bacteria, breath, touch, photograph
4
Q
Modern development-
A
-Construction of roads, tunnels, houses
5
Q
Pollution-
A
- Causes deterioration and destruction of sites
- Air pollution- acid rain
- Pollution- colour of stone
- corrosive agents eats into and destroys ancient stones
6
Q
Preservation of Evidence Climate
A
- very dry climates- deserts
- silts in rivers and lakes- peat bogs
- very cold (ice) climates preserve organic materials- ice man
7
Q
Geological Conditions
A
-chemicals within plants or animals may react with minerals in the soil to prevent decaying