Question

What is so important about the troposphere?
A). Layer of water at or near earth's Surface
B). Contains ozone
C). It contains weather and therefore the oxygen that we breath
D). All of the above

Answer 1

Hint : The troposphere is the lowest layer of Earth's atmosphere. Most of the mass (about 75-80%) of the atmosphere is within the troposphere. Most sorts of clouds are found within the troposphere, and most weather occurs within this layer. The rock bottom of the troposphere is at the surface .

Complete Step By Step Answer:
The troposphere is that the lowest layer of Earth’s atmosphere and therefore the site of all-weather on Earth.It is sandwiched between the surface of the world at its bottom point and at the highest of the troposphere is that the tropopause.
This layer of the atmosphere rises between 10 miles up at the equator and only 5 miles up at the north and South Pole .75% of the atmosphere’s mass is found within the troposphere. This layer is formed from 78% Nitrogen, 21% Oxygen, with the remaining 1% made from argon, traces of hydrogen ozone and other constituents.
Water vapor is primarily concentrated within the troposphere, with trace amounts within the poles and 4 percent or more within the tropic regions.
Both the temperature and water vapour content during this layer will decrease rapidly with altitude. Water vapour it important because it will absorb solar power and thermal radiation from the surface of Earth, thus regulating the air temperature.
Hence: the choice A is correct.

Note :
Smog also forms during this layer of the atmosphere. This may restrict visibility and cause irritation of the eyes and throat. The water cycle also occurs during this layer of the atmosphere. The water cycle helps form clouds, which in form can help produce rain, sleet, snow and freezing rain.