Su geografía física es en gran parte montañosa. Posee suaves playas en su litoral del Pacífico y planicies bajas al norte del país. Es atravesada en su parte central por la cordillera de los Cuchumatanes y parte de la sierra Madre del Sur.
Reason a is the correct one, as the european union has nothing to do with protection from invasions and Germany reunified many years ago.
Four major parts of Earth work together as a complex system: rocks, water, air, and life.
The four parts are called the geosphere,hydrosphere<span>, </span>atmosphere, and biosphere.
Rocks- Geosphere
Water- Hydrosphere
Air- Atmosphere
Life- Bioshpere
Hope This Helps!! :)