An enzyme is a protein produced by an organism that speeds up chemical reactions
Answer: Our bodies stay fresh for a short period time, then enter <em>rigor mortis</em>, then began the slow process of decomposition.
Explanation:
False. A chemical change needs to occur in order for a new substance to be created.
Density dependent would be the answer
99.9 percent
Of all species that have existed on Earth, 99.9 percent are now extinct. Many of them perished in five cataclysmic events.