How do plants help in erosion control? O Plants roots hold the soil in placalling
O Plants are pretty and keep the neighborhood from being ugly.
O Plants do not help in erosion control.
O Plants allow the soil to float in the rainwater.

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.