You are asked to justify why your research on plasma membranes is so important. you reply that

Plasma membranes regulate what substances go into and out of the cell and helps provide a barrier to bad toxins or bacteria. It is also allows necessary proteins in and keep pathogens out. The ersearch on plasma membranes is very important i justified with the following:

- stydying the plasma membrane's interaction nutrients helps to understand the way in which active tarsnport occurs

- helps to undertand the communication between cells.

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.

b

explanation: