Barking when frightened
Explanation
The others require you to teach the dog how to do it but I dog doesn’t need teaching to bark it comes naturally
Hi there!
Here are some examples of Enviormental resources:
#1 Coal
#2 Gold
#3 Gas
#4 Iron
#5 Copper
#6 Petroleum
Hope this helps you!
~DL ☆☆☆
These are called papillae