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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<span>The birth rate decreased, while the death rate increased.</span>
Answer:
B
Explanation:
atp is built of energy's like carbohydrates
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Answer:
crude oil (petroleum) is the only natural liquid fossil fuel
