Besides bones, the skeleton also contains connective tissues called the

Collagenous fibers - Purpose : Bind bones and other tissues to each other

Elastic Fibers : - Purpose : Allow organs like arteries and lungs to recoil

Reticular Fiber : - Purpose : Form a scaffolding for other cells

Hope this helps ! <3 :)

Julia would be observing a. static electricity was caused by her sweater rubbing against her shirt and transferring electrons. she didn't touch anything metal, so that would cancel out b.she most likely didn't rub her sweater against her hair either, so that cancels out c.she also didn't scoot across the carpet while trying to take her sweater off, that cancels out d.so that leaves a.a. is correct.