list of factors

Abiotic factors:
water, or drought and lack of wawter
temperture extremes
weather
light
fire
gases
rock
snow
land slide
natural disasters: flood, earth quakes
elevation
climate
lack of space
lack of shelter
salinity
UV rays
Sun light
acid rain
humidity
airpressure
air pollution
soil
water polution
radiation
electricity magnetism
electromagnetism

Biotic factor:
food, or lack of food
disease
predation
old age
ingury