According to the Department of Education 180 is the minimum number of instructional days California requires of its public schools. The 180 days doesn`t include in-service days for teachers.
Loon, Arctic also Black-throated Loon also Black-Throated Diver Gavia arctica Found: North America (Alaska), Europe, Asia. The Arctic Loon has white underparts. Breeding has black back with white bars; black face; black sides of throat with white stripes; dark green throat.
Porcupines live in many parts of North America, Africa, and South America. Primary habitats include forests, deserts, and grasslands. In Washington State, porcupines occur mostly in forested areas, but also thrive along riparian zones, in brushy wetlands, and even in the shrub-steppe region of eastern Washington.