Learning objectives
- 1Explain 2.1 Direct Sources
- 2Explain (a) Mining Activities
- 3Explain (b) Deep Drilling Projects
- 4Explain (c) Volcanic Eruptions
- 5Explain limitations of Direct Sources
- 6Explain 2.2 Indirect Sources
Your learning path
Key terms
LavaMagmaEpicentreNife LayerFocus (Hypocentre)
85Concepts
0Formulae
13Minutes