Blood, urine, tissue/skin, saliva, hairs, etc.
A compound that has Carbon and Hydrogen
The answer to your question would be space. The sun's light travles through space. but if you clap, you can't hear it.
Answer: (Lyngbya spp.)
Explanation: Hope this helped! :)
<span>Observing that fibroblasts grew better in cell culture when blood serum was added to the growth medium instead of blood plasma. Thus proving that there was a substance in serum that made it easier for fibroblasts to grow.</span>
