Answer:
The answer is option b. sacral bones.
Explanation:
The sacral bones are a shaped like a triangle and found below the fifth (5th) lumbar vertebrae and in between the hip bones. The joint formed with the hip bones is called the sacroiliac joint.
The answer is *drum roll*
B. Eggs of flies in the surroundings!!!!
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Fossil fuel + oxygen gas -------> carbon dioxide + water + heat
The answer is A. Excretion I hope this helps