Answer:
C. A hillside that has been cleared by a volcanic eruption.
Explanation:
Pioneer species are hardy species which are the first to colonize barren environments or previously biodiverse steady-state ecosystems that have been disrupted, such as by fire or other natural disasters. Some lichens grow on rocks without soil, so may be among the first of life forms, and break down the rocks into soil for plants.
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Answer:
bones
Explanation:
The x-rays go through the soft tissue of things like organs, muscles, skin, etc, but is reflected by denser, less penetrable bones.
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Answer:
Xylem,phloem and tissues from vascular systems produce stem
Xylem + phloem+ tissues from vascular systems = stem ( transport systems)
Answer:
the answer is cirvical cancer.
