Linnaeus is called the father of taxonomy because he

a. created the classification level called domain
b. developed the modern system of naming organisms
c. explained the steps that led to the formation of a species
d. used more than one common name for the same organism

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.