Question

Concentration of greenhouse gases has risen rapidly due to​

Answer 1

Answer:

due to global warming the concentration of greenhouse gases has risen rapidly

Answer 2

Answer:

This rapid growth increase was mainly caused by a decreasing death rate (more rapidly than birth rate), and particularly an increase in average human age. By 2000 the population counted 6 billion heads, however, population growth (doubling time) started to decline after 1965 because of decreasing birth rates.

Explanation: