Answer:
metabolism
Explanation:
metabolism is the sum of the chemical reactions that take place within each cell of a living organism.
Hope this helped!
The answer is B = cell reproduction
I DONT HAVE THE ANSWER BUT GOOD LUCK
1. Red: even without knowing much, just by realizing that red is one of the extremes (think rainbow), we can assume that it is the longest. Also, infrared waves' wavelengths are longer than that of visible light.
2. Electromagnetic radiation: the fact that they have "ray" in the names shows that they are radiation. It's not ultraviolet because that is part of electromagnetic radiation.
3. Photon