In any energy pyramid, only 10% of the available energy is passed from one level to the next.
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The Gupta Empire was an ancient Indian empire existing from the mid-to-late 3rd century CE to 543 CE. At its zenith, from approximately 319 to 467 CE, it covered much of the Indian subcontinent.
answer A the availability of raw materials
Answer:
there were 5 on three of the planes, and four on the fourth
