"the diagram below represents the electric field in the region of two small charged spheres, a and b.

what is the sign of the net charge on a and b?
(1)a is positive and b is positive.
(2)a is positive and b is negative.
(3)a is negative and b is negative.
(4)a is negative and b is positive."

i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.

emerald ash borer

the emerald ash borer is a green buprestid or jewel beetle native to north-eastern asia that feeds on ash species. females lay eggs in bark crevices on ash trees, and larvae feed underneath the bark of ash trees to emerge as adults in one to two years. hope this !