The Standard sea-level pressure at 45° latitude at a temperature of 15°C is

Answer: Option A

The standard sea-level pressure at 45 degrees latitude at a temperature of 15 degrees Celsius is 1013.25 mb (millibars).
Meteorologists use a metric unit for pressure called millibar.
The depth of the atmosphere is greatest at sea level and decreases at higher altitudes because more air is pressing down from above.