CO2 Increase Percentage Since 1750
To determine the correct range for the percentage increase of atmospheric CO2 since 1750, we need to consider the historical data.
- Pre-industrial atmospheric CO2 levels (around 1750) were approximately 280 parts per million (ppm).
- Current atmospheric CO2 levels are significantly higher, exceeding 420 ppm.
Calculating CO2 Percentage Rise
The percentage increase can be calculated using the formula:
$ \text{Percentage Increase} = \frac{(\text{Current Level} - \text{Pre-industrial Level})}{\text{Pre-industrial Level}} \times 100\% $
Plugging in the values:
$ \text{Percentage Increase} = \frac{(420 \text{ ppm} - 280 \text{ ppm})}{280 \text{ ppm}} \times 100\% $
$ \text{Percentage Increase} = \frac{140 \text{ ppm}}{280 \text{ ppm}} \times 100\% $
$ \text{Percentage Increase} = 0.5 \times 100\% = 50\% $
Conclusion on CO2 Range
The calculated increase of 50% falls into the range specified in the options.
- 5 - 10%
- 10 - 15%
- 15 - 30%
- More than 30%
Since 50% is greater than 30%, the correct range is More than 30%.
Important Questions from Atmosphere
Which of the following statements with reference to Surface inversion of temperature is/are correct? 1. It causes instability in the lower layers of the atmosphere. 2. This inversion commonly lasts for a few hours until the Sun comes up.
Identify the cloud on the basis of the following characteristics: I. They look like cotton wool. II. They exist in patches and have flat base. III. They are generally formed at a height of 4 to 7 km.
Which of the following statements with reference to Surface inversion of temperature is/are correct?
1. It causes instability in the lower layers of the atmosphere.
2. This inversion commonly lasts for a few hours until the Sun comes up.Identify the cloud on the basis of the following characteristics:
I. They look like cotton wool.
II. They exist in patches and have flat base.
III. They are generally formed at a height of 4 to 7 km.Given below are two statements :
Statement (I): Atmospheric stability is important because it determines the ability of pollutants to disperse vertically in the atmosphere.
Statement (II): In summer season in India. the atmosphere is generally stable.
In the light of the above statements, choose the correct answer from the options given
