Using a 10-14x hand lens count the number of motile mites that are within the viewing area of the lens along the upper side of the half second vein of each leaf.
(motile mites; are; within the viewing area of the lens along the upper side of the half second vein of each leaf) (a 10-14x hand lens; count; the number of motile mites)
motile mites a 10-14x hand lens
are count
within the viewing area of the lens along the upper side of the half second vein of each leaf
the number of motile mites