Barley. Grains remain an important part of the Russian economy.
The sea erodes rocks with hydraulic action and abrasion. More and more erosion occurs making the rock more steeper until it forms a cliff.
Answer: The following is not an advantage of a constructed wetland for treating livestock wastewater:
<em>a) May facilitate mosquito breeding</em>
<em>e) Can be aesthetically pleasing</em>
It is an bionic ground to treat industrialized waste matter. It is fashioned for land restoration after excavation, or as a extenuation step for areas squandered to development .
<u><em>Therefore, the correct option in this regards are (a) and (e).</em></u>