Yes, fleas can make a cat ill because the bites can get infected
There are many ways for cats to pass on diseases from one cat to another. Through their saliva when they groom each other or saliva through fights, through the feces, through fleas. Best to have your cat up to date on all vaccinations, no fleas and dewormed for all internal parasites, especially tapeworms.
Time climate ill mat cat it is a
kinda yes if they bacome very ill ther can be up to 210 fleas on one dog @ once
if it gets it from another ill cat, or if it gets some sort of disease or illness
It is an observation because you can see that the cat is ill so it is visual.
It depends upon the ingredients in the make up. Most make up could make a cat fairly ill. If your cat does lick some make up call a local vet and check.
ask your vet
Take it to a vet.
I am not sure if it is deadly to put it on a cat, but do not make your cat eat or put on them anything that is not meant for them, as there is a chance it could poison them, making them seriously ill or cause death.
It's an inference because your drawing a conclusion (that the cat must be ill)so it is inferrence
I think it is a inference because you are observing the cat.
when a dog or cat become ill, it is always wise to take it to a vet, to make sure it is nothing serious.