There is no set amount of time it can take one day it can take 10 years each person reacts differently.
dogs
no it doesnt.
Lung cancer.
Malignant tumors
Skin Cancer Will Itch if exposed to Sun Light
Environmental factors such as exposure to carcinogens, pollutants, and radiation can increase the risk of developing cancer. These factors can damage DNA, leading to mutations that promote the growth of cancer cells. However, not all environmental factors directly cause cancer, as genetics and lifestyle choices also play a role in cancer development.
If some sort of cancer develops, yes.
Breast cancer can be bad in many ways for example you are exposed to the risk of dying and you can also be exposed to lots of radiation and that could be bad for you SOMETIMES.
sometimes yes other times, it develops later in life
This is most likely because most animals don't have as much exposed skin as humans, if you have more exposed skin you are more susceptible to skin cancer.
Cancer
No.