D. Some European rivers act as international borders.
<span>b. nitrogen is your answer :)</span>
Answer:
A. human-environment interaction
Explanation:
This kind of study which involves impact of human activities on the environment falls under the human-environment interaction theme of geography.
It entails how human activities continues to shape his immediate environment.
- Geographic theme of location is associated with where on earth something can be found. It could be absolute or relative location.
- Geographic theme of place involves the physical and human setting of a place.
- Geographic theme of region defines a particular area which are classified under some certain categories.
The fitting answer to this problem is the theme of human - environment interaction.
To calculate the slope, the formula is (y1-y2)/(x1-x2) , which in this case, the answer would be:
Hope it helps!
