Rating Newest Oldest. Best Answer: yes carbon dioxide is a pure substance, provided there is nothing else in it. as soon as you add some oxygen (O2) or methane (CH4) etc it is not pure. the actual molecule is CO2, one carbon and 2 oxygen atoms everytime which makes it pure. it is the same as saying pure salt. salt has sodium and chlorine in it but is still a pure substance provided nothing else is in it.
Yes, mother cats do mate with their offspring. I had cat which had become so old that my family members used to call her grandmother cat. I had once seen her mating with her offspring and THEIR offspring at different times!
The process of a mama cat getting ready to have kittens is called queening. A female cat can get pregnant when sheâs as young as 4 months old, unless sheâs been spayed to prevent that. Queens can keep going into heat every 2 to 3 weeks from the spring through the early fall, making them ready to reproduce more often than not. A catâs pregnancy lasts about 63-65 days. So, a cat can have kittens when sheâs only 6 months old. Is She Pregnant? The best way to find out is to make an appointment with your vet. He can confirm that kittens are on the way, and get an idea of how many, in a few ways: Feeling your cat's belly is sometimes useful but not always accurate.