Correct answer: Habitat Destruction
Habitat destruction affect the entire habits functionally and it is unable to support the species present in that particular region. The main cause of species extinction all over the world is habitat destruction.
Humans are known to cause extinction of the species by creating pollution, overhunting, by introducing invasive species into the ecosystem etc
I think it's oxygen and water because they are the substance for cellular respiration.
It results in increased temperatures on Earth. ... Less heat radiates into space, and Earth is warmer. Many greenhouse gases occur naturally. Carbon dioxide, methane, water vapor, and nitrous oxide are naturally present in Earth's atmosphere.
