Answer:
The first organisms to appear in areas of primary succession are often mosses or lichens. These organisms are known as pioneer species because they are the first species present; pioneer species must be hardy and strong, just like human pioneers.
Explanation:
Answer: The answer would be A;electron probe X-ray microanalysis
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Soil is a mixture of broken rocks and minerals, living organisms, and decaying organic matter called humus. Humus is dark, soft and rich in nutrients. Soil also includes air and water. Organisms in the soil need air and water to survive.
Answer:
Pillars in an abandoned mine
Explanation:
