Answer: The sun
Explanation:
Plants use the sun to create their food through the process of photosynthesis
Answer: white blood cells
Explanation: They fight off the bad bacteria.
Answer:
The answer is number two extinction happened, this was the time dinosaurs went extinct ebcause lack of sun because oh how much dirt was blown into the earth atmosphere becuase of the asteriod, third option is talking about big bang theroy so that dosnt apply!
Explanation:
Answer:
Gene expression is a process by which the information from a specific gene is used in the synthesis of a functional gene product. These products can be proteins and a functional RNA.
Explanation:
