Reflection seismology is a method of exploration geophysics that uses the principles of seismology to estimate the properties of the Earth's subsurface from reflected seismic waves
Temperature, pressure, wind speed and direction, cloud coverage,precipitation and humidity
Its the first layer of protection in the atmosphere against radiation from the sun and its harmful U.V. rays.
B
Because virus do contain genetic material and duh they make people sick and yes they are made of more than one cell