Which of the following senses is mediated by mechanoreceptors? A. Sight
B. Taste
C. Hearing
D. Smell

Hearing is the sense mediated by mechanoreceptors.

Mechanoreceptors are a type of receptors involved in the perception of:

One of the senses that is directly related to these receptors is hearing because this sense involves the perception of sounds through vibration or waves.

In this way, every time there is a sound the mechanoreceptors located in the ear perceive this sound and translate these waves into neural signs, which is necessary for the hearing process.

Learn more about ears in: link

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.