What does the coronavirus do to your body?

Cough

Shortness of breath or difficulty breathing

Or at least two of the following:

Fever

Chills

Repeated shaking with chills

Muscle pain

Headache

Sore throat

New loss of taste or smell

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.