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.
An evergreen tree from the Pine Family (Pinaceae) Loblolly Pine. Loblolly Pine, an evergreen conifer, has its natural range in the southeastern United States, comprising the Atlantic Coast and Gulf Coast states from New Jersey to eastern Texas, northward to Tennessee.