How to grow fresh air?

Which companies, organisations help him with his studies? (Tick more than one!)

• National Aeronautics and Space Administration

• The Energy and Resources Institute

• Indian Institute of Technology

• Central Intelligence Agency

• Federal Bureau of Investigation

What is this plant? (wikimedia)

• Mother-in-Law's Tongue

• Areca palm

• money plant

• apple tree

• Gingko Biloba

The capital of India is...

• New Delhi

• Delhi

• Mumbai

• Sennai

• London

The official language(s) in India... (you can tick more than one)

• English

• Hindi

• Hungarian

• Russian

• Tamil

New Delhi has the ... most polluted air in the world.

• first

• second

• third

• fourth

• one hundredth

Areca palms remove CO2 and convert it to oxygen.

• true

• false

• nobody knows

Mother-in-Law's Tongue is called a bedroom plant because it converts CO2 to oxygen at night.

• true

• false

• nobody knows

Money plant removes formaldehyde from the air.

• true

• false

• nobody knows

Fresh air in a room improves productivity.

• true

• false

• nobody knows

These plants are good for the people and good for the environment.

• true

• false

• only for the people

• only for the environment