The slightest change in pH can destroy the substance or organism. The pH of a cell's interior helps regulate the cell's chemical reactions. For example, the pH of blood is 7.4, if blood falls to 6.8 or lower or 8.2 or higher, it results in death.
Answer:18 kcal
Explanation:
Law of ecological pyramid - the production of organisms of each subsequent trophic level is always on average up to 10 times less than the production of the previous one
1800/10=180
180/10=18
Ancient organism remains, fossil layers, similarities among organisms alive today, similarities in DNA and similarities of embryos.
B, immense pressure causes the core to be very compacted and solid.
<span>A.Jamal moved his box to storage, but Jude could not move his. </span>
