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.

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

the actual answer was 160934

which fault and or fold did you find most difficult to diagram