Mixture- Heterozygous(different types) and compound
Pure substance- Homozygous(same types) and element
Mixed nuts - m salt - m
oxygen - p tin - p
fruit salad - m sugar - m
lead - p hot tea - m
silver - p vegetable soup - m
sand in water - m soil - m
Given the scenario above the Spencer is dealing with schizophrenia and his thoughts are difficult to understand because he jumps from one idea to another, what Spencer is creating is what we call WORD SALAD. Word Salad is when there are different words or phrases with different meanings and thoughts that are mixed in one sentence. Hope this helps.
Twins that share a particular trait are said to be concordant for the trait.