History of earth

Initially earth had been

• warm

• very hot

• cold

• cool

Initially earth had

• high volcanic activity

• high climatic changes

• high diversity

• high animal diversiy

Earth got

• randomly hot

• gradually hot

• randomly cooled

• gradually cooled

The core of the earth was formed with

• ocean water

• less volatile metals with high density

• full of snow

• sedimentary rocks

Initially Earth crust was created by

• volatile metals

• carbon rocks

• light silicon rocks

• sedimentary rock

The origin of earth occurs at?

• 3.5 billion years ago

• 4.5 billion years ago

• 5.3 billion years ago

• 5.4 billion years ago

The origin of life on earth occurs at?

• 3.5 billion years ago

• 4.5 billion years ago

• 5.3 billion years ago

• 5.3 billion years ago

What is modern theory of origin of earth?

• big band theory

• special creation theory

• nebular theory

• cosmozoic theory

What is the absence gas of early atmosphere?

• O2

• CO2

• H2S

• CH4

Initially earth had been evaporated water due to

• slight heat of the earth

• extreme cold of he earth

• climatic changes of the earth

• extreme heat of the earth