Ten-year-old Delaney is helping her dad put new shingles on her playhouse in the backyard. Her dad asks her to put the shingles in order from longest to shortest so that he can vary the start of each row. She is able to do this because she

A) can think abstractly.
B) can perform seriation tasks.
C) understands dual representation.
D) understands conservation.

Can perform seriation task

Explanation:

The seriation concept was proposed by Jean Piaget in his cognitive development theory. These concepts explain the ability to group objects such as height, weight, length and the importance of the objects.

There is an instance of seriation such as children put objects from short to tall, small to long and then the importance of an object.

Seriation is a phenomenon that deals with size, weight, and magnitude. This concept helps children in learning their math and science concepts.

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .