Question

What releases oxygen into the atmosphere? A. Plants B. All living things C. Animals D. Iron-bearing rocks

Answer 1

plants release oxygen into the atmosphere through photosynthesis. without plants, we cant breathe.

Answer 2

Plants release oxygen into the atmosphere, Thus, option "A" is correct.

What are non-vascular plants?

Non-vascular plants, produce spores instead of seeds. They do not produce flowers, true roots and wood. They do not possess a vascular system.

They exhibit a diplontic life cycle. The diplontic life cycle involves the formation of diploid gametes.

For example mosses

In mosses, during the diplontic life cycle, the mosses produce diploid cells and in only one stage they produce haploid cells.  

Thus, option "A" is correct.

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