Explanation:
rocky crust
that is why it is called a gas giant
Genotype- B= Brown and T= Tan
Genotype- BB because if the mouses mate they will give their dominant gene and they both share the same gene so their baby will have to have the same gene.
Phenotype- Brown Mouse
If you need more help I will be glad to help!:)
~"AB84"~
Answer: 30 years
Explanation: what is 30 plus 30... 60 it says he died in 1930 and discoverd the thing in 1960 add 30 boom its been 30 years