The Veins carry blood to the heart
Answer:
B. removes suspended particles.
Explanation:
The first step in water treatment involves the removal of of suspended particles through the process of coagulation, sedimentation and filtration.
Coagulation process involves the addition of positively charged chemicals to the water. The positively charged chemicals neutralizes the negatively charged particles suspended in the water to form larger particles known as flocs.
The particles are then allowed to settle down through the process of sedimentation after which they are then filtered off in a process known as filtration.
Answer:
The arrangement of the bones of a vertebral column start with the cervical spine. The cervical spine control the head and neck. The next section of the vertebral column is the thoracic spine which control the truck and mid back. The last vertebral column is lunar spine which is responsible for the legs.
Explanation:
