Gustation and olfaction rely on each other to give complete perceptions of taste and smell.

True

Gustation give a taste perception and olfactory is an insight of smell. In gustation, only four tastes were recognized, namely sweet, salty, sour, and bitter. However, research of the 20th century led to recognition of the fifth taste, umami that means delicious taste or savory. 

Meanwhile, olfaction or the sense of smell is a responsive stimulus that contains bipolar sensory neurons that are located in a small region within the superior nasal cavity.

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

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explanation:

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