Why is troposphere so important for the existence of humans and natural environment on Earth?​

Explanation:

The water cycle helps form clouds, which in form can help produce rain, sleet, snow and freezing rain. As you see, the troposphere is an important layer in Earth's Atmosphere, as it is the layer that we live in and the layer that gives us weather.

short answer it provides the air we need to survive

Explanation: long answer

The troposphere is made up of several different gases. And, there are a couple of interesting things about the gases. The first is that the troposphere is made of 78% nitrogen, which is by far and away the most plentiful gas in our air. Also, oxygen, the gas that is so crucial to life on the planet, only makes up 21% of the air. All the other gases combined make up the remaining 1%, including carbon dioxide. Also regulates our weather and temperatures on a regular basis