Explain how extremes of pH limit growth. Majority of organisms live or grow in habitats between pH 6 and 8 obligate acidophiles: Euglena mutabilis-alga that grows between 0 and 1.0 pH Thermoplasma-archae that lives in hot coal piles at a pH of 1 to 2, and would lyse if exposed to pH 7.
Most of the current California wildfires are in the north, including a large one in Mendocino County and several others in the Sierra Nevada, the north coast and the San Joaquin Valley.
In California alone, from 1997-2001, an average of 392 wildland fires were caused by arson, burning 21,072 acres and causing over $3.2 million in damage annually. During that period in California, in fires were a cause determination could be made, arson was a more common wildfire cause than lightning.