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.
Distribution: Longnose suckers are widespread throughout northern North America. They inhabit all of Alaska and Canada with a more patchy distribution in the northern United States. Lonnose Suckers reach their southern limit in Washington, Idaho, Colorado, Minnesota, Nebraska, Ohio, West Virginia, and Maryland.