Answer:
A cell is made up of several molecules working together; a tissue is made up of many cells, working together; and an organ is made up of several tissues working together.
Explanation:
It is the last one the 720g/cm^3
<span>Proteins that minimize fluctuations in pH are known as buffers. A buffering agent can be either a weak acid or weak base. Buffering agents are usually added to water to form a buffer solution, which only slightly changes its pH in response to other acids and bases being combined with it, particularly a strong acid or a strong base.</span>
