Define science and explain how it works. distinguish
among scientific data, scientific hypothesis, scientific model,
scientific theory, and scientific law. explain why we should
take a scientific theory seriously.

i have honestly no idea and need

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.

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.

a compound light microscope is used to magnify objects in steps.  

hope it