A heterogenous mixture is basically any mixture ( liquid, solid or gas ) whose parts are not homogeneous meaning, it is composed of smaller constituent parts that can be separated and differentiated from the others. Conversely, in the homogeneous mixture the individual parts are not differentiable and uniformly distributed along the mixture. The composition of said mixture is the same throughout, and therefore has only one phase of mater so you wont find any solids nor gases in a liquid homogeneous mixture, like you would find on a heterogenous one.
Family members can assist by borrowing you capital to start you business if you don't . They can assist you by helping you plan and giving suggestions on how to start the business and they should be supportive and encouraging
Answer: Vygotsky's theory of cognitive development
Explanation: Vygotsky's Cognitive Development Theory is the theory that states about the constructive behavior of the children to obtain the cognitive factors. Instruction ,guidance and interaction on social base is considered as the feature of the theory which enhances the learning , solving problem and other skills.
The situation mentioned in the question describes about the Vygotsky's theory because Dr Smith believes in improving the knowledge through instruction in 9-year old .