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23 Dec 2018

Where and how is align obtained?

What is resin? Discuss some of its uses, past and present.

Why do some algae grow on one side of a tree and not all around the trunk?

Very few fossils of bryophytes have been found. Suggest reasons for this.

From what you know of plants, why do you think that gymnosperms still have an advantage over most other plants in cool, windy, mountainous regions?

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Casey Durgan
Casey DurganLv2
25 Dec 2018

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