I’m pretty sure the answer is
↳ To transport materials throughout the body!
Multicellular organisms need a circulatory system to transport substances to and from their cells!
There you go! I hope this helped, if there’s anything just let me know! ☻
More information is needed to answer this question. Ketones are organic molecules that have the molecular structure RC(=O)R'. R and R' can be any kind of carbon containing structure. An aldehyde is another organic compound that has a functional group having the structure -COH. Both compounds are simple organic compounds. Ketones are widely used for industrial purposes.
Answer:
I think 4 I can't remember
Answer:
1 g of Carbon
Explanation:
This is because because carbon has lower molar mass than thorium or copper so a 1-g sample of carbon contains more atoms than 1 g of cobalt or lead.