<span>Answer:
they provide a straight path from the spinal cord to target muscles.</span>
Solid. it's all stuck and linked together, while liquids are flowing along and gases fly around wherever they please. Hope this helps
The first known single-celled organisms appeared on Earth about 3.5 billion years ago, roughly a billion years after Earth formed. More complex forms of life took longer to evolve, with the first multicellular animals not appearing until about 600 million years ago.
Answer:
because it is also created from the father not only one of them
Answer:I think it is oxygen
Explanation:
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