Extension- increasing the angle between two boned of the straightening of a limb
Answer:
The cartilaginous fish are jawed fish with paired fins, paired nostrils, scales, two-chambered hearts, and skeletons made of cartilage rather than bone. Examples of the cartilaginous fish include sharks, rays, and skates
Explanation:
Answer:
The correct answer will be option-D
Explanation:
A riparian zone is the zone formed at the meeting area of land with water mostly from the lakes, ponds and the river. The plants growing in the riparian zones are known as the riparian vegetation.
The riparian zones prove useful to natural environment and humans as the growing vegetation help bind the soil which reduces soil erosion. It also reduce pollution level in the water bodies as it contains the pollution from the run off.
The riparian zones provides habitat to a variety of plants mainly from bryophytes and pteridophytes and animals which can live in the riparian zones.
Thus, option-D is the correct answer.
Answer:
Downstream, along the river is vague and middle of town makes no sense, upstream would mean that the pollution would run right past the town and cities and could pollute the town's and cities