1. EDBAC because C is the youngest and goes through all of the other older ones
Answer:
Since the oceans are mostly water, the elements hydrogen and oxygen are the most common. Sodium and chlorine are found in the salt in ocean water. Earth's atmosphere is made up of a combination of gases, including nitrogen, oxygen, and carbon dioxide. Nitrogen and oxygen are the most common elements in the atmosphere
Explanation:
D)Vacuole and cell wall because animal cells have temporary vacuoles and are small scattered and no cell wall