Geologic Time Chart. The Earth's axis is tilted from perpendicular to the plane of the ecliptic by 23.45Â°. This tilting is what gives us the four seasons of the year-spring, summer, autumn (fall) and winter.Since the axis is tilted, different parts of the globe are oriented towards the Sun at different times of the year.eologic Time Chart. The Earth's axis is tilted from perpendicular to the plane of the ecliptic by 23.45Â°. This tilting is what gives us the four seasons of the year-spring, summer, autumn (fall) and winter.
Air Operations Area (AOA) means a portion of an airport, specified in the airport security program, in which security measures specified in Title 49 of the Code of Federal Regulations are carried out.ir Operations Area (AOA) means a portion of an airport, specified in the airport security program, in which security measures specified in Title 49 of the Code of Federal Regulations are carried out.
âBAAâ is an acronym for  âbusiness associate agreement,â which is an industry term for what the HIPAA regulations call a âbusiness associate contract.â Same thing. BAAs are hybrid contractual and regulatory instruments, meaning they both satisfy HIPAA regulatory requirements and create liability between the parties.