Agriculture & Biology
lacustrine sediments
100%
opal
52%
Bacillariophyceae
52%
Japan
40%
fossils
36%
sandstone
23%
Arachnida
21%
weathering
21%
organisms
20%
silt
20%
laminae (animals)
18%
silica
17%
clay
16%
byproducts
16%
basins
16%
amphibians
16%
films (materials)
14%
texture
14%
deterioration
14%
climate
14%
mammals
12%
flowers
12%
carbon
11%
insects
11%
birds
10%
fungi
10%
nutrients
10%
fish
10%
bacteria
9%
tissues
7%
leaves
7%
animals
7%
water
7%
Earth & Environmental Sciences
lacustrine deposit
50%
diatom
46%
opal
42%
Pleistocene
40%
biota
32%
arachnid
27%
fossil
26%
lacustrine environment
21%
flower
20%
amphibian
19%
cementation
18%
density current
18%
insect
16%
fragmentation
15%
mammal
15%
fungus
15%
byproduct
15%
silt
15%
bird
14%
weathering
14%
material
14%
silica
14%
texture
13%
sandstone
13%
sedimentation
13%
tissue
12%
clay
11%
nutrient
11%
bacterium
11%
fish
10%
carbon
10%
basin
8%
water
5%