In denver colorado the temperature changed from 30c to -27c in 3 hours . the change in the temperature was the same amount each hour .how much did the temperature change and how ?

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species