Subject	acid
Predicate	can cause
Object	weathering
Modality	Modality Occurrences TBC[chemical weathering] 3
Polarity	POSITIVE
Plausibility	0.0217
Neighborhood Sigma	0.0217
Local Sigma	0.0225
Example Sentences	Sentence Occurrences Source acids can cause chemical weathering 2 Google Autocomplete, Answers.com Questions acids from living things can cause weathering 1 Google Autocomplete acids from living things can cause chemical weathering 1 Answers.com Questions