Answer:
Nitrogen fixing bacteria is the organism which is responsible for the fixing of atmospheric nitrogen into usable form for the plant.
Explanation:
Nitrogen fixing bacteria is a type of bacteria which fixes atmospheric nitrogen into ammonium and nitrates form. Plants are unable to take atmospheric nitrogen so it must be converted into available form i. e. nitrates and ammonium. Examples of nitrogen fixing bacteria are Cyanobacteria and Azotobactor etc. These nitrogen fixing bacteria lives in the root of the plant and makes symbiotic association.
Answer:
Acute inflammation of the mucous membrane of the nose, with the discharge of mucus; a head cold.
Explanation:
Answer:Try asking on Yahoo they usually have the answers more quicker that we do.
Answer:
The second picture showing big rocks with the gaps between where they touched empty.
Explanation:
The figure shown in picture 2 will be the most porous as it does not comprise of any blocking particles. I t will be well sorted and will allow small molecules to easily pour through it.
On the other hand, the other figures like figure 3 will not have much porosity as the path is blocked by many large and small rocks in the image. Hence, it is not the correct option.