Which of the following is a TRUE statement?
Select one:
-RNA contains the nitrogen base thymine.
-RNA contains the nitrogen base uracil.
-None of these are true
-RNA contains the sugar deoxyribose.

B

Explanation:

RNA also contains four different bases. Three of these are the same as in DNA: adenine, guanine, and cytosine. RNA contains uracil instead of thymine.

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.

compost can be added to topsoil as a:

pesticide