Earth & Environmental Sciences
student
100%
Paleozoic
90%
carbon isotope
67%
organic carbon
55%
mass extinction
55%
carbon
40%
modeling
39%
climate
38%
geochemical cycle
34%
organic matter
31%
weathering rate
30%
atmospheric composition
29%
feedback loop
29%
trilobite
28%
atmosphere
28%
Phanerozoic
26%
thesis
25%
long-term trend
25%
Gondwana
24%
fieldwork
23%
carbon cycle
23%
coordination
22%
school
21%
pyrite
21%
isotopic composition
20%
oxide
17%
phosphorus
17%
timescale
17%
disturbance
16%
carbonate
15%
rate
15%
oxidation
15%
science
15%
ecosystem
14%
climate change
13%
exposure
13%
land
13%
laboratory
12%
removal
12%
project
12%
experiment
9%
test
9%
parameter
8%
effect
5%