Answer:
Secondary reinforcers
Explanation:
A secondary reinforcer is a type of stimulus or situation that functions as a reinforcer because it has been paired with another stimulus that also functions as a reinforcer. In this case, the reinforcer is the good grade. In turn, the secondary reinforcers are the praise and the money, both of which seem to be effective with Curtis.
Answer:
The most likely cause of this disease is that siblings have a variable expression of this disease.
Explanation:
Neurofibromatosis 1 is an autosomal dominant disorder, even though it is a very rare disease to occur. This dominant nature causes this disease to be expressed even in people who have heterozygous alleles for it, which makes it easier for siblings to have this disorder, since only those who are hom0zygous recessive would not present it. However, the expressiveness of the disease may vary between siblings, as is the case shown above, where although the two siblings have the same disease, they present it in different ways.
Answer: DIFFUSION.
Explanation: DIFFUSION in anthropology is defined as the spread of cultural or linguistic practices, or social institutions, ideas, styles, religions, technologies, in one or more communities. Diffusion involves the movement and exchange of material goods and cultural pieces.
