1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores 2) the post or function properly or customarily occupied or served by another 3) a theocratic islamic republic in the middle east in western asia; ____ was the core of the ancient empire that was known as persia until 1935; rich in oil 4) liveliness and energy DOWN 1) an acrobatic feat in which the feet roll over the head (either forward or backward) and return 2) a republic consisting of 26 of 32 counties comprising the island of ireland; achieved independence from the united kingdom in 1921 3) gather, as of natural products 4) a woman religious ** Scroll down for solution. ** Are you sure you want to peek? fern lieu iran peps