Answer:
What does not have matter?
1) light
2) heat
3) sound
4) energy
*Note: Air dose have matter because if you blow air into a balloon it gets bigger
Explanation:
I have the same question, so im commenting to see if anyone will get the answer. Hope this is okay!
Answer: Option B
Explanation:
The umbilical cord is the flexible structure connecting a foetus with the placenta; which transports nourishment (oxygen, glucose, drugs) to the foetus and removes waste (blood rich in carbon dioxide and depleted in nutrients).
Also the umbilical vein is a vein present in the cord that carries oxygenated blood from the placenta to the growing fetus .
Note: Options A, C and D are inaccurate