True
<span>Rickettsia species are carried as parasites by many ticks, fleas, and lice, and cause diseases such as typhus, rickettsialpox, Boutonneuse fever, African Tick Bite Fever, Rocky Mountain spotted fever, Australian Tick Typhus, Flinders Island Spotted Fever and Queensland Tick Typhus in human beings.</span>
There are currently
22 active volcanoes in Luzon
428 in Visayas
and 20 in mindanao
1/300,000 or <span>0.00000333333
</span>
