Biology 0610 · IGCSE · Pollution

Pollution — practice question

The table gives the quantity of carbon dioxide in the atmosphere for three different years. Year: 1930, carbon dioxide: $300$ parts per million Year: 1980, carbon dioxide: $330$ parts per million Year: 1990, carbon dioxide: $370$ parts per million What is the most likely reason for this change?

  • Adestruction of rainforests
  • Bincreased use of fertilisers containing nitrogen
  • Cpollution of air by sulfur dioxide
  • Drise in the sea level

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI