Air pollution. Cleaner burning than other fossil fuels, the combustion of natural gas<span> produces negligible amounts of sulfur, mercury, and particulates. Burning</span>natural gas does<span> produce nitrogen oxides (NOx), which are precursors to smog, but at lower levels than gasoline and diesel used for motor vehicles.</span>
Answer: The parents of the white cat would be a dominant white cat and a recessive colored coat cat. The parents of the autosomal tabby would be a dominant tabby and either a recessive brown cat, striped cat, or a recessive black cat.
Explanation:
The genotypes and phenotypes would be : WW- Dominant white and ww- recessive color coat cat; their offspring would be 100% recessive white kittens
TT- dominant tabby and a recessive brown cat; their children would be 100%- dominant brown tabby
TT- dominant tabby and a recessive striped cat; children would be 100%- brown striped
TT- dominant tabby and a recessive black cat; children would be 100%- tabby kittens
