Olivia uses her elbow joint while lifting a cup. How does her elbow joint make this possible? (5 points) It separates her arm bones so they move on their own.
It connects her arm bones to make movement possible.
It connects the biceps and triceps so they both work.
It removes any ligaments that would prevent movement.

*will mark brainliest for first correct answer* which of the following is most likely to affect the biodiversity of a park ecosystem? a. less rain than usual for several months b. ongoing pollution from a nearby factory c. park rangers plant a new type of tree d. disease wipes out an entire population

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?