When a simple magnifying glass is used properly, the image will be formed
a. just inside the focal length of the lens.
b. about 250 millimeters in front of the lens.
c. at the focal point of the lens.
d. about 500 millimeters behind the lens.

Magnifying glasses typically use a value of 0.25 meters, or 250 millimeters, distance. This means that that B is the correct answer and the image will be formed approximately 250 millimeters in front of the lens.

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.