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!
Print this page. From around the age of 5 to 8 months, kittens reach sexual maturity and are therefore capable of breeding and producing kittens themselves. Most people do not have the time or desire to breed from their cat and do not wish to add to the number of unwanted cats and kittens already looking for homes. There are unlikely to be enough new homes available for them. 2  Health issues. 3  Female cats which are not neutered are more likely to suffer from pyometra (infection of the womb) later in life and with mammary tumours. 4  Queens with infectious diseases may pass these on to their kittens.