You're answer is going to be C.
1.The apostrophe after the word years is not supposed to be there. 2. The word we've is the wrong word. 3.The apostrophe in the word trial's is not supposed to be there. 4.You're is not the right word for the sentence and should be changed to your. These are the mistakes that I have found, but at the same time, recheck to make sure these mistakes can be found within the paragraph.
Idk but you should put the information in the section that compares or gives their similarities for both male and female tusks. Hope I helped!
Answer:
I think it's the second one
