A fracture or dislocation is a break or crack in the bone. It is when two bones are out of place at the joint that connects them which may also cause injury to nerves and blood vessels. The types of fracture are: Closed refers to fracture that does not break skin, Open, a fracture where external wound associated with fracture, Non displaced, a simple crack of bone and the Displaced, a fracture in which there is actual deformity. But there are three types of treatment for fracture or dislocation namely: Open treatment, examples are Surgically Cleaning the Bone, Removing Contaminated or Non-Viable Tissue, Stabilizing the Bone and many more. Other type of treatment is closed treatment like No immobilization and Cast Immobilization. Third type of treatment is Percutaneous Skeletal Fixation like internal and external fixation.
The immune system, and the excretory system
(Honestly, all of them work to keep us 'healthy', but I believe these are the ones you're looking for)
RNA polymerase (green) synthesizes RNA by following a strand of DNA. RNA polymerase is an enzyme that is responsible for copying a DNA sequence into an RNA sequence, duyring the process of transcription.
Answer:
D. As the pH decreases, the number of surviving species decreases.
Explanation:
According to the table, there is only one species that survives a ph of 4.0 and 4.5 in the pond, while every ph value above that has multiple species that survive in its condition.