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1. in which periods gymnosperms were present?(A) Jurassic and cretaceous(B) Triassic and jarassic(C) Triassic and cretaceous(D) None​

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Answer:

Gymnosperms are HETEROSPOROUS seed PLANTS that produce NAKED seeds. They appeared in the Paleozoic period and were the dominant plant LIFE during the Mesozoic.

Explanation:

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