what is the topic of an article called ''shark teeth are for tearing animal diets and tooth shape'' pls HEL HELP HELP ASAP

What role does the element of motivation play in performances? a. it makes characters more relatable. b. it uses characters to enhance setting. c. it reveals characters’ weaknesses. d. it guides characters’ actions.

Ineed this answer “do you believe in free will or determination? why? ”

Which sentence uses parallel structure? a. spring is a time for growth, renewal, and to rain. b. science provides us with some answers, some questions, and figuring out how our world works. c. as long as you use your best judgement, learn from your mistakes, and taking advice, you’ll grow as a person. d. once things are done, there is no need to dwell them, to worry about them, or to decide who to blame.