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What Is Publicity and What Are the Main Types of Publicity

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What is publicity and what are the main types of publicity tools? What is the main objective of each type of tool?


Definitions:

Half-Life

Characteristic time it takes for half of a quantity of a radioisotope to decay.

Iridium

A very hard, brittle, silvery-white transition metal of the platinum group, often used in high-strength alloys.

K-Pg Boundary

The geological signature marking the end of the Cretaceous period and the beginning of the Paleogene, associated with the mass extinction event that killed the dinosaurs.

Meteorite Impact

A phenomenon where a meteoroid enters Earth's atmosphere and collides with the Earth's surface, potentially causing significant ecological and geological changes.

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