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.
Porcupine Distribution. Asia and Africa are the native locations for the Porcupine. They have become huge pests around areas of Kenya due to their high populations. They are also found around South America and North America today due to human introduction but they have been able to thrive in such areas.