Answer:
all of the above is correct.
Brest cancer is not contagious. there are some factors that can lead you to breast cancer like drinking alcohol and family history of breast cancer.
hope this helped :)
Answer: we can make observations directly by seeing, feeling, hearing, and smelling, but we can also extend and refine our basic senses with tools: thermometers, microscopes, telescopes, radar, radiation sensors, X-ray crystallography, mass spectroscopy, etc. And these tools do a better job of observing than we can!
This is more of a personal question about how well you know yourself, no one can answer this for you.
