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