Which of the following varies daily? a: ) shorelines b: ) shore c: ) coastline d: ) beach

A:) Shorelines

Shore or a shoreline is the border of land at the end of a large body of water, such as a sea, ocean, or creek. In real oceanography, a shore is the comprehensive border that is geologically transformed by the movement of the collection of water past an instant, while the beach is at the end of the shore, rendering the intertidal region where there is 1. In diversity to a coast, a shore can join any body of water, while the coast necessity edges an ocean; in that thought, a coast is a kind of shore; however, coast often points to a range far broader than the shore, often extending measures into the inside.

land

explanation:

australia is the flattest continent, and it has vast plains.