You know this! Let me walk you through! First, define a trophic level.
The more that animal is related to other animals
Answer:
If you plan your experiment, you know there are going to be few ways what you are experimenting can go wrong. If you do not, your experiment can go haywire and bad situations will arise.
The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct :)
The best description would be A