The cactus has a specialized fleshy stem, and its leaves function only for protection. which plant tissue most likely makes up the stem?
apical
dermal
ground
vascular

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity