Answer:
what I don't understand what your questoin
Assuming you mean living matter
All living matter is produced by other living matter
A is the correct answer, eukaryotic cells have membrane-bound nucleus, prokaryotic cells do not.
When you breathe your diaphragm contracts and moves downwards. This increases the space in your chest cavity, and it allows your lungs to expand into it. This is beneficial because it decreases pressure and drives air into our lungs
