In which atmosphere layer does 80 percent of the gas in the atmosphere
reside?
Answer here
SUBM

In troposphere atmospheric layer 80 % of the gas in the atmosphere reside.

Explanation:

Temperature variations result largely from the absorption of solar radiation; visible light at the surface, near-ultraviolet radiation in the middle atmosphere and distant-reaching ultraviolet rays in the upper air, these all are responsible for showcasing differences among atmospheric level.

Almost 80% of the overall atmosphere mass is covered under the troposphere, it is the nearest atmospheric layer to the earth and comprises the highest proportion. Its water vapor and temperature content decline exponentially with altitude. Water vapor plays a key role in controlling air temperature, as it absorbs solar energy and thermal energy from the surface of the earth.

troposphere?

Explanation:

The troposphere is the layer that holds 80 percent of the total gas in the atmosphere

answer: at 24 february, 2014 the population gets twice of its initial population.

explanation:

since we have given that

the population for alpha city, t years after january 1, 2004 is given as

first we find out the initial population, i.e. t=0,

so, our quadratic equation becomes,

according to question, we have said that if the population has twice its initial population, then it becomes

so, time taken to reach this above mentioned population is given by

now, we know that time can't be negative so, we take t=9.149 years.

hence, at 24 february, 2014 the population gets twice of its initial population.

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