Answer:
The tailor bird has a beak like a sewing needle. As thread, it uses silk from cobwebs, cotton from seeds, and fibers of tree bark. This bird selects two or more large green leaves growing close together at the end of a branch and pulls them together.
Explanation:
The independent variables are the copper and aluminum wires.
Answer:
A. Cracks in rocks will deepen as the roots grow.
