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.
I think it is carbohydrates
The expression would be $0.20 x f. Once you figure out what the 'f' variable stands for, you have to multiply it by $0.20, and you will have your answer.
Convergent evolution suggests different organisms evolved similarly due to similar environments.
Hope this helped!