The present average temperature of earth is

Options

A. `10^(@)C`
B. `12^(@)C`
C. `14^(@)C`
D. `15^(@)C`

Answer

To determine the present average temperature of the Earth, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Average Temperature**: The average temperature of the Earth is a calculated value that reflects the mean surface temperature over a period of time.

2. **Reference Data**: According to the information provided, the average temperature can be derived from the Global Surface Temperature Analysis (GIS TAMP).

3. **Temperature Options**: The options given are 10°C, 12°C, 14°C, and 15°C.

4. **Recent Data**: The transcript mentions that in 2017, the Earth's average temperature was approximately 14.9°C, which can be rounded to 15°C.

5. **Temperature Trends**: It is noted that there has been a rise in global average temperature, which indicates that the current temperature may be slightly higher than previous averages.

6. **Final Calculation**: The transcript suggests that the global average temperature is about 12°C based on the analysis of temperature data over time.

7. **Conclusion**: After evaluating the options and the information provided, the present average temperature of the Earth is best represented as **12°C**.

### Final Answer:
The present average temperature of the Earth is **12°C** (Option B).

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