CO₂ content of atmosphere has increased in last 150 years from

English

Gujarati

Hindi

12.Ecosystem

normal

$CO_2$ content of atmosphere has increased in the last $150$ years from

$25$ to $35\ ppm$

$270$ to $340\ ppm$

$0.027$ to $0.34\ ppm$

$0.2 $ to $0.3 \ ppm$

(AIIMS-1997)

Solution

(b) $CO_2$ conc. was about $ 270 $ ppm in $ 1750$ and $368$ ppm in $2000$. The rise has been due to large scale deforestation (for grazing land, cropland or urban estates), change in land use and large scale combustion of fossil fuels.

Standard 12

Biology

Stratification is well developed in

normal

In a food chain, the total amount of living material is depicted by

normal

The character of an ecosystem is determined by the environmental factor which is shortest supply. This is the

normal

(AIPMT-1994)

Nitrogen is a critical element of the ecosystem because it is

normal

Succession is

normal

$CO_2$ content of atmosphere has increased in the last $150$ years from

Solution

Similar Questions

Stratification is well developed in

In a food chain, the total amount of living material is depicted by

The character of an ecosystem is determined by the environmental factor which is shortest supply. This is the

Nitrogen is a critical element of the ecosystem because it is

Succession is

Start a Free Trial Now