<span>The first part of the cell theory states that all living things on Earth are comprised of cells; this portion of the cell theory was determined by botanist Matthias Schleidan. The second part, determined by zoologist Theodor Schwann, states that cells make up the basic units of every living thing. Physician Rudolph Virchow was responsible for the third part, which states that living cells stem from other living cells.</span>
Answer:
Mass
Explanation:
I'm not for sure but I think its Mass. Please let me know if that was right or wrong.
<span>Fever raises the body's temperature to destroy harmful substances. Would be correct.</span>