Question

7. Ratio of 1000 and 400 ; ratio of 25 km and 10 km​

Answer 1

Answer:

5:2, 5:2 ans

1000/400 = 5/2

25/ 10= 5/2

Answer 2

Answer:

Biodiversity is the biological variety and variability of life on Earth. Biodiversity is a measure of variation at the genetic, species, and ecosystem level. Terrestrial biodiversity is usually greater near the equator, which is the result of the warm climate and high primary productivity