B.) 24 Horse and 50 Humans
All have one head each 24+50 = 74
Horses have 4 legs so 24*4= 96
Humans have 2 so 50*2= 100
Total legs: 196
Total heads: 74
"Correct errors in grammar usage" is the one among the following choices given in the question that is not <span>part of the revision process for clarity, coherence, and unity. The correct option among all the options that are given in the question is the third option or the penultimate option. I hope it helps you.</span>