Type the number

Exercise and reference answers

Questions

1. Answer

   10

   Question

   Best estimate of species on earth, in millions

2. Answer

   99

   Question

   Per cent of species ever lived that are extinct

3. Answer

   3

   Question

   Levels at which biodiversity is discussed

4. Answer

   1972

   Question

   Year of India's Wild Life (Protection) Act

5. Answer

   1992

   Question

   Year of the Rio Earth Summit

6. Answer

   12

   Question

   Number of mega diversity countries

Instructions

Type the number only.

Explanation