What forms secondary vascular tissues in trees?\nOptions:\n- (A) allow growth\n- (B) primary growth\n- (C) secondary growth\n- (D) In their leaves\n- (E) end growth\n- (F) mating\n- (G) Most plants\n- (H) shrub beds OK. Let's think hard:
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Secondary growth forms secondary vascular tissues and bark. All trees have bark. Trees secondary growth forms secondary vascular tissues.
So, the final answer is (C).
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