Subject
Climatic changes
5
Climatic changes Social aspects
4
Mathematics Study and teaching (Middle school)
4
Ecosystem management
3
Mathematics Study and teaching (Elementary)
3
Mathematics Study and teaching (Secondary)
3
Restoration ecology
3
Science Social aspects
3
Subsidences (Earth movements)
3
Climatic changes Political aspects
2
Communication in science
2
Dams Environmental aspects
2
Ecology
2
Ecology Mathematical models
2
Ecology Methodology
2
Effective teaching
2
Forest ecology
2
Global environmental change
2
Global warming
2
Groundwater
2
Mathematics Study and teaching
2
Mathematics Study and teaching (Higher)
2
Nature conservation
2
Nervous system Diseases
2
Rivers
2
Science History
2
Science Methodology
2
Science Study and teaching
2
Tambora, Mount (Indonesia) Eruption, 1815
2
Technological innovations
2
Wildlife conservation
2
Zoology
2
Active learning
1
Adaptation (Biology)
1
Agricultural chemicals Environmental aspects
1
Artificial intelligence
1
Avalanches Control
1
Banks and banking, Central
1
Banks and banking, Central Law and legislation
1
Biochemistry
1
Biochemistry Study and teaching (Higher)
1
Biodiversity conservation
1
Bioethics
1
Biology
1
Biology Experiments
1
Biology Mathematical models
1
Biotic communities
1
Biotic communities Effect of pollution on
1
Biotic communities Tropical conditions
1
Birds Conservation
1
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