Proofread this persuasive passage on the importance of travel. which two types of errors does it contain?
travel is essential for our mental development. a recent study conducted by psychology professors found that regular travelers tend to be more open-minded than those who don’t travel regularly. it stated that travel introducted others to vast cultures, which them them adopt a more tolerant attitude. various studies and surveys conducted over time have also proved that regular travel boosts one’s self-confidence and self-relience.
a. spelling errors
b. incorrect comma usage
c. doubling of words
d. faulty use of apostrophe
must pick 1 or 2 anwers

Read the excerpt from infinite jest 'my application's not bought," i am telling them, calling into the darkness of the red cave that opens out before closed eyes. 'tam not just a boy who plays tennis. i have an intricate history. experiences and feelings. i'm complex. "read,' i say. 'i study and read. i bet i've read everything you've read. don't think i haven't. i consume libraries. i wear out spines and rom-drives. i do things like get in a taxi and say, "the library, and step on it." my instincts concerning syntax and mechanics are better than your own, i can tell, with due respect. the theme suggested by the excerpt is about a. being understood b. the value of education c. wisdom versus foolishness d. learning responsibility