_i_ leads to the increase in the levels of _ii_ gas in the atmosphere, which disturbs the _iii_ on earth. The information in which alternative completes the given statement?

Options

A. i-deforestation, ii-carbon dioxide, iii- Water cycle
B. i-descrification, ii-carbon dioxide, iii- nitrogen cycle
C. i-deforestation, ii-carbon dioxide, iii- nitrogen cycle
D. i-deserification, ii-carbon dioxide, iii-Water cycle

Answer

To complete the statement "_i_ leads to the increase in the levels of _ii_ gas in the atmosphere, which disturbs the _iii_ on earth," we can analyze the options provided.

1. **Identify the first blank (_i_)**: We need to find a process that leads to an increase in gas levels. The most relevant option is "deforestation," which refers to the cutting down of trees. This process reduces the number of trees that can absorb carbon dioxide, leading to higher levels of this gas in the atmosphere.

2. **Identify the second blank (_ii_)**: The gas that is typically increased due to deforestation is "carbon dioxide." Trees absorb carbon dioxide during photosynthesis, so when they are cut down, less carbon dioxide is absorbed, resulting in higher atmospheric levels.

3. **Identify the third blank (_iii_)**: The increase in carbon dioxide levels due to deforestation can disrupt the "water cycle." The water cycle, also known as the hydrologic cycle, involves the continuous movement of water in the environment. Deforestation can affect precipitation patterns and water retention in the soil, thus disturbing this cycle.

Putting it all together, the completed statement is: "Deforestation leads to the increase in the levels of carbon dioxide gas in the atmosphere, which disturbs the water cycle on earth."