Wave interference may occur when two waves that are traveling in opposite directions meet. The two waves pass through each other, and this affects their amplitude. Amplitude is the maximum distance the particles of the medium move from their resting positions when a wave passes through.
Answer:
A. 22.85 mL of oxygen
Explanation:
Data:
The total volume of Oxygen =500 mL.
Percentage of Oxygen inhaled= 20.94 %
Amount of Oxygen inhaled =20.94 /100 x500 ml
=104.7 ml
Percentage of Oxygen exhaled = 16.37 %
Amount of Oxygen inhaled =16.37 /100 x500 ml
=81.85 ml
Difference b/w amount of oxygen inhaled/exhaled= 104.7 ml-81.85 ml
=22.85 ml
Therefore, Option A is correct option.
Hope it help!
Answer:
A) The role of bacteria fixing nitrogen is very important because it fixes atmospheric nitrogen in the roots of plants. For example, Azotobacter is a bacteria which lives in the root of the higher plants. The bacteria fixes nitrogen for the plant and the plant gives habitat and food to the bacteria and hence, both get benefit.
B) Nitrifying bacteria are the bacteria which converts ammonia into nitrates. Examples are Nitrosomonas and Nitrobacter.
C) Denitrifying bacteria is a type of bacteria which converts nitrates into atmospheric nitrogen. Examples are Serratia and Pseudomonas.
The answer is 4. Hope this helps
