Agriculture & Biology
saprolite
100%
weathering
60%
Puerto Rico
60%
bedrock
42%
mountains
41%
heterotrophs
41%
minerals
37%
iron
36%
regolith
35%
diorite
20%
cells
15%
quartz
12%
bacteria
11%
growth models
10%
organic carbon
10%
bacterial growth
10%
DNA
10%
soil
10%
oxidants
9%
rocks
9%
weather
8%
testing
7%
electrons
7%
microorganisms
6%
Earth & Environmental Sciences
saprolite
65%
weathering
40%
iron
32%
mountain
32%
cell
30%
mineral
27%
bedrock
26%
regolith
22%
DNA
16%
substrate
13%
bacterium
12%
microorganism
11%
diorite
11%
calculation
10%
soil
8%
test
7%
transform
7%
organic carbon
7%
moisture
7%
watershed
7%
quartz
7%
electron
6%
weather
6%
rock
4%
Medicine & Life Sciences
Puerto Rico
66%
Minerals
48%
Iron
41%
Cell Count
22%
Soil
21%
Quartz
13%
Bacteria
13%
Weather
12%
DNA
11%
Growth
10%
Carbon
9%
Electrons
7%
Population
7%