<span>Cenozoic
</span><span>Mesozoic
</span><span>Paleozoic
</span><span>Precambrian </span>
Answer:
the procedure aims to replace the stem cells in the bone marrow the source of new red blood cells with healthy stem cells from a matching donor
Answer:
The synchronous orbit appears to make the moon more vulnerable to meteor strikes
Natural gas
explanation:
solar power, coal, and petroleum are used to power things (i.e. produce electricity)
1. Contains their own DNA
2. Contains ribosomes that closely resemble prokaryotic cells
3. Reproduce by fission, and they are independent from cells.