Discuss the human activities responsible for climate change.

Causes Of Climate Change

Mention any three human activities which are responsible for depletion of the ozone layer.

Discuss the factors responsible for ascent of xylem sap in plants.

Discuss any four factors responsible for the decline of feudalism.

(a) Mention any two human activities which would be responsible for air pollution. (b) How is Earth's atmosphere different from that of Venus and Mars?