B. Part of a gene for a particular trait
I think!!
biology as a whole scientific study of life, where as zoology is the scientific study of animals(and their lives).
Answer:
how old the star is
Explanation:
There are many characteristics that affect the brightness of stars. If two stars are the same temperature, same age, and same distance from the Earth, the larger one will appear brighter. If the temperature, age, or size is different, the one closest to Earth will appear brighter, even if that is the smaller one.
Hi, I looked up your question and found these bins.
