There are two types of polymers which are natural and synthetic polymers. Natural polymers do not affect the environment but synthetic polymers do. This type of polymers are produced by humans. These release reactants which are considered hazardous to humans and the environment. Synthetic polymers include rubbers, plastics, and adhesives, and these are considered non-biodegradable and non environmental friendly. As these build up in the environment, in causes problems such as chemical poisoning to all the living things around it.
I would say D. asteroids comets and meteors
The statement 'resistant insects are able to survive and create a population that is also resistant' describes why the pesticide becomes ineffective.
<h3>What is evolution?</h3>
Evolution is the change process by which individuals adapt to their particular environmental conditions.
The main process by which evolution occurs is called the natural selection of the fittest organisms.
Natural selection refers to the differential survival and reproduction of the most adapted organisms.
Learn more about the natural selection here:
brainly.com/question/23929271
Answer:
subluxation.
Explanation:
Subluxation is the partial displacement of a bone from its joint.
Dislocation is complete displacement of a bone from its joint.
Luxation is complete separation of joints.
Sublocation generally return to its normal position without the help from orthopedic doctor.
Example; Nursemaid's elbow caused by subluxation of head of radius from annular ligament.
