Physics & Astronomy
sulfates
81%
calcium
74%
acid rain
67%
sulfur oxides
65%
extinction
63%
shock
57%
Mexico
52%
fallout
52%
stratosphere
51%
sulfuric acid
48%
reaction products
42%
thermodynamic equilibrium
42%
aerosols
37%
rocks
36%
sulfur
35%
atmospheres
26%
cooling
25%
estimates
21%
Earth & Environmental Sciences
extinction
63%
calcium
57%
sulfate
53%
sulfur oxide
49%
impact structure
48%
acid rain
43%
environmental stress
43%
fallout
40%
sulfuric acid
37%
stratosphere
35%
thermodynamics
28%
sulfur
28%
Cretaceous
27%
cooling
26%
aerosol
26%
atmosphere
22%
calculation
20%
laboratory
19%
rock
18%
product
18%
modeling
15%
Chemical Compounds
Calcium Sulfate
100%
Stratosphere
58%
Sulfur Oxide
55%
Acid Precipitation
55%
Aerosol
38%
Cooling
33%
Sulfuric Acid
32%
Thermodynamics
23%
Amount
16%
Time
13%