Choose the correct option. The total water 

Options

A. in the lakes and rivers of the world remains constant.
B. under the ground remains constant.
C. in the seas and oceans of the world remains constant.
D. of the world remains constant.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the total water of the world and whether it remains constant or changes over time.

2. **Concept of Water Cycle**: The total water on Earth is part of a continuous cycle known as the water cycle. This cycle includes processes such as evaporation, condensation, precipitation, and infiltration.

3. **Evaporation**: Water from lakes, rivers, and ponds evaporates into the atmosphere. This process transforms liquid water into water vapor.

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