Tissues are analyzed before an organ transplant to make sure that the of donor and recipient match as closely as possible.

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

What is the "great pacific garbage patch"? a large area of marine debris concentrated by rotating ocean currents a large area around the pacific rim where debris collects from natural disasters such as tsunamis an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability a large trash dump located in hawaii

As a small change in a person's dna can cause a genetic disorder