Gangue is sometimes reprocessed for the purpose of obtaining extraminerals. This may be done using both the new and old methods in mining. Gangue refers to the worthless mined materials in ore, a common example of gangue is the small pieces of quartz in some ore. It is a waste rock or materials overlying an ore or mineral body that are displaced during mining without being processed or simply rock impurities.
The correct answer is option 2- Study the lionfish in their natural habitat in the Pacific Ocean.
As mentioned in the question that lionfish is considered to be highly dangerous due to their fierce and veracious life style. In order to know more about the characteristics and impact of lionfish in order to develop potential solutions to the issue is to:
- Capture lionfish and study their spine in lab
- Study their life style in their natural habitat
This will help us to improvise ways that could help us protect other fishes from lionfish and also help us to develop a safe environment for the other marine animals.
Psychologists have created Culture fair test that is free from cultural biases and based on logic.
Culture fair test:
These are the IQ test that based on pure logical reasoning and free from the cultural and language biases.
- They are Pictorial hence, very entertaining.
- The question in the Culture fair test are ordered in increased difficulty level.
Therefore, Psychologists have created Culture fair test that is free from cultural biases and based on logic.
To know more about Culture fair test:
brainly.com/question/8639689
I believe <u>hydrologic and Rock Cycles </u>is the right answer.