Plant ® atmosphere ® animal
The answer would be light. Light is needed in plants so that they can do the process of photosynthesis.
The two macro molecules contained in the salad with the lettuce, the eggs, also the bread crumbs and some olive oil is the protein and carbohydrates. The protein can help one person to grow and repair one's injury or wounds. While the carbohydrates as every one know, it provides the human's body the energy.
Answer:
3.5 billion years ago, or in the Eoarchean Era.
Explanation:
The first known single-celled organisms appeared on Earth about 3.5 billion years ago, roughly a billion years after Earth formed. More complex forms of life took longer to evolve, with the first multicellular animals not appearing until about 600 million years ago.
The earliest undisputed evidence of life on Earth dates at least from 3.5 billion years ago, during the Eoarchean Era.
Have a fantastic rest of your day!! \(^u^\)