I thought you were asking what comes after 23 );
Answer: Metal Detectors
Explanation: Metal detectors are inexpensive and easy to use equipment used to discover relics of the past. While it is useful in archaeology as a tool that discovers objects from the past quite easily, it is also a threat to archaeology. Some hobbyists and looters who come across archaeological finds which may be important to understanding past civilizations or a different era do not report these finds. Even worse, some looters knowingly infringe on archaeological sites and are aided by the metal detectors.
C) The number of Bears with decrease.
The contaminated fish with cause the bears to be contaminated and die.
Answer:
I believe its D
Explanation:
To increase the effectiveness of an employee in performing a specific task.