Global climate change is most likely the result of

Burning on fossil fuels and deforestation. The increase of deforestation means that less oxygen is produced by the trees, therefore oxygen levels decreases, and CO2 levels increases as trees and plants can’t absorb it.

it is due to the halo effect as the impression of the boy created earlier.on the mind of the principle affected his decision

probably 3 since archeologists and historians don’t understand there writing.