Question #6423993Single Choice

Biology

Question

What caused the darkening of tree bark during the Industrial Revolution?  

Options

A
    Increase in rainfall  
B
    Industrial soot from factories  
C
    Growth of black fungi 
D
    Changes in tree species 

Answer & Analysis

Click "Show Answer" to reveal the answer and analysis

Want More Practice Questions?

Access thousands of practice questions with detailed explanations on Scholardog.

Practice Now - It's Free!