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Water enters the atmosphere through transpiration (from water of plants, giving off water vapor from pores of leaves), and evaporation (heated water changes into water vapor and rises into the atmosphere). 

Remember to search the water cycle online, look at pictures, and do a bit of studying on your own.  This will help you understand the water cycle to the next level.

I hope this helped!  

The atmosphere is the blanket around the Earth, which regulates the Earth's temperature and protects from harmful rays. The biogeochemical cycles like the water cycle also take place in the atmosphere.

The two ways in which water enters the atmosphere are:

  • Transpiration - It is the process of giving off water droplets into the air by plants. The process involves the conversion of liquid to gas or water vapor when it passes through the stomata or pores of the leaves.

  • Evaporation - It is the process of conversion of liquid into water vapor. It is the primary pathway in which water is incorporated into the water cycle in the gaseous form.

Therefore, the two ways in which water is added to the water cycle are transpiration and evaporation.

To know more about evaporation and transpiration, refer to the following link:

https://brainly.com/question/22267469