<s>[INST] The time it takes a fire to spread is influenced by temperature and humidity. This example involves reading data from a CSV file then creating a scatter plot of the fire-spread speed vs. temperature and another plot of fire-spread speed vs. humidity.

```python
import pandas as pd
import matplotlib.pyplot as plt

# Creating a DataFrame
fire_data = pd.DataFrame({
    'temp': [70, 65, 75, 80, 85],
    'hum': [70, 60, 75, 70, 60],
    'speed': [1.2, 1.0, 1.2, 1.8, 1.9]})

# Read data from CSV
# fire_data = pd.read_csv('fire-data.csv')

# Creating plots
plt.figure(figsize=(10,5))
plt.subplot(1, 2, 1)
plt.scatter(fire_data['temp'], fire_data['speed'], color='red')
plt.title('Fire Spread Speed vs. Temperature')
plt.xlabel('Temperature (°F)')
plt.ylabel('Speed (mph)')

plt.subplot(1, 2, 2)
plt.scatter(fire_data['hum'], fire_data['speed'], color='blue')
plt.title('Fire Spread Speed vs. Humidity')
plt.xlabel('Humidity (%)')
plt.ylabel('Speed (mph)')

plt.tight_layout()
plt.show()
```

The previous explanation was a summary of the code. Here is an explanation of what the code accomplishes. Here is the breakdown of the code:
- The necessary modules are imported: pandas for data manipulation and matplotlib.pyplot for plotting.
- Data is manually entered using a pandas DataFrame object.
- Two scatter plots are created in the same figure using the subplot function. The first plot shows the relationship between fire spread speed and temperature, and the second plot shows the relationship between fire spread speed and humidity.
- Titles, labels, and colors are customized for both plots.
- The `tight_layout()` function is used to adjust the layout so that the titles and labels do not overlap. 
- The `show()` function is used to display the plots.

The main goal of this task is to create a dual scatter plot that represents the relationship between fire-spread speed and the variables of temperature and humidity. By comparing the plots, we can determine the correlation between fire-spread speed and temperature and between fire-spread speed and humidity.

Here are some questions:

1 - Why is it wise to use subplots in this task?[/INST]