the answer is either a marthon or cross country.
Circumference.
Circumference
It is the name given to the straight line from the centre of a circle to its circumference when that distance is 18 mm.
A small part of the distance around a circle is called an "arc." An arc is a segment of the circumference and can vary in length depending on the angle it subtends at the center of the circle.
The name given to a set of coordinates is "coordinate system".
Pangaea
Constellation
Circumference.
Circumference.
Circumference
A cluster or star cluster
Its name shall be called "circle".
A circle.
Globular ClusterA huge group of stars that are close together is a star cluster. With many more stars it is a galaxy.
The name given to the huge waves that follow an earthquake is a tsunami. Tsunamis are a series of ocean waves with long wavelengths that can travel at high speeds across the ocean and cause significant damage when they reach the shore.
Hudson Bay Company
Globular ClusterA huge group of stars that are close together is a star cluster. With many more stars it is a galaxy.