Subject	living organism
Predicate	cause
Object	weathering
Modality	Modality Occurrences TBC[mechanical weathering] 1 TBC[physical weathering] 1
Polarity	POSITIVE
Plausibility	0.9395
Neighborhood Sigma	0.9432
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source living organisms cause weathering 2 Google Autocomplete living organisms cause mechanical weathering 1 Google Autocomplete living organisms cause physical and chemical weathering 1 Answers.com Questions