The american medical association is an example of .

a. local
b. professional
c. political
d. broadcasting

The Correct answer is option B. Professional.

The professional association works for the interest of the individuals working in a particular field.The AMA or American Medical Association is a professional body, which works for the interests and the advocacy of the physicians or the medical professionals.  

The AMA publishes the peer reviewed research papers. It also advocates for the interest of the physicians. All the physicians and the resident physicians can apply for the membership of the AMA, medical students can also apply for it.

answer: tributaries flow into rivers.

wetland is a biome that develops when the water gets accumulated in a land exhibiting a huge depression. these form either seasonally or permanently. the water in the wetland comes from rivers, lakes, ocean, flood, rain or other sources. the wetlands includes mangroves, marshes and peatland.

tributaries flow into the rivers develops a wetland because such water will get deposited in the depression and will restrict the original flow of tributary water. hence, water with low drainage current combines with the river water.

a and c are the answeres