Answer:
A substance that is more dense per volume has more mass per volume. ...
Explanation:
Thus, sound will travel at a slower rate in the more dense object if they have the same elastic properties.
Answer:
In mitochandia and cytoplasm
Explanation:
mitochandira is the eukaryotic cell structure where cellular respiration occure.
cytoplasm is jelly like matterial found between plasma membrane and nuclear envelople it has organelles for performing respiration.
Chemosynthesis, I believe. Bacteria at the bottom of the ocean use this process for food.