In gilled mushrooms, gills are used to maximize spore production. Gills of some mushrooms are folded and crowded to obtain maximum spore production. Other gills, spread towards the outer cap which gives way to new gill growth in between gills which is called partial gill. Some of the mushrooms grow gills in layers too.
I would say this is an expository text.
Answer:
Matter cycles throughout the environment in both the oxygen and nitrogen cycle. The nitrogen cycle involves nitrogen-fixing bacteria, lightning, and decaying organic matter. The oxygen cycle involves carbon dioxide and oxygen gases as well as the process of photosynthesis.
Explanation:
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The answer is d.) mantle rock
