I believe it is the third choice, there was nothing then a sudden explosion, creating the universe
Answer:
Abiotic factors include water, sunlight, oxygen, soil and temperature.
-- One feature of Earth is an atmosphere rich in nitrogen and oxygen.
Very unusual.
-- Another feature of Earth is vast quantities of liquid and solid water.
Very unusual.
-- Another feature of Earth is a range of temperatures near the melting point
of water.
Very unusual.
Erosion,oil spills,pollution,tourism,urban development
