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!
A. Male cats will be able to sire kittens when they are about 5 months of age. They should not be used for breeding, however, until they are 18 months of age. Female cats generally are sexually mature when they reach at least 80% of their adult weight.The timing of heat in a female cat is also dependent on the amount of daylight. Thus a female cat may have her first estrus anytime between 5 and 12 months of age.. Male cats will be able to sire kittens when they are about 5 months of age. They should not be used for breeding, however, until they are 18 months of age. Female cats generally are sexually mature when they reach at least 80% of their adult weight.