(a) Name the compound whose cycle is deposited (b) In what way do vehicles add this compound to the atmosphere?

Question

The above diagram shows simplified biogeochemical cycle.

(a) Name the compound whose cycle is deposited
(b) In what way do vehicles add this compound to the atmosphere?
(c) What adverse effect does it excess have on the environment?
(d) Cite an event which depicts this effect in modern times.
(e) Suggest 2 ways of reducing this effect.

Answer 1

(a) CO₂ cycle
(b) By burning fossil fuel
(c) Global Warming
(d) Melting of glaciers and slow rise in sea level, submerging of low lying islands.
(e)

• Limiting the use of fossil fuels
• Increase the vegetation cover