True, Igneous rock were the first rock type to appear on Earth.
Answer:
When an ecosystem contains many different species, there are usually a high number of links in its food web. How does this affect the sustainability of the ecosystem? typically if one link in the food web is removed, the ecosystem will remain stable.
Explanation:
Geothermal heat- to provide energy for process like subduction, melting and metamorphism (to drive plate tectonics)
solar energy- for processes like erosion, weathering and transport
It is sometime referred to as the Australian shield hope i helped
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Answer: C) Plant D
Explanation:
While the other plants are being tested on, the scientist(s) can always refer back to Plant D because there is no experimenting taking place.