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
- What is atmospheric window?
- Which one of the following gas was not released through volcanoes around 4 billion years ago?
Absolute humidity in atmosphere at $ 10^\circ $ is $5.0$ g/m$^3$ and maximum amount of water air can hold at same temperature is $ 10$ g m$^3$. What will be the relative humidity at the same temperature?
- The change of atmospheric air temperature with altitude is _____
- Assertion (A) : Warmth of sun’s rays is advantageous during evening time.
Reason (R) : Evening air contains moisture which absorbs the heat and allows the light.
Select the most appropriate option :
