B. A sunflower in a sunny meadow
Answer:
is 26.25 N
Explanation:
Given that:
= 20 N,
= 17 N.
This implies that the two forces are acting at right angle to each other. Thus applying the Pythagoras theorem, we have;
= 
= 
= 
= 
= 26.2488
= 26.25 N
The net force is 26.25 N.
Hurricanes are not an example of density dependent limiting factors!
When air is heated up the molecules spread out and move faster, so heat rises because it is less dense than the cooler air around it.