The answer is "less eye contact".
Eye contact is considered as the strongest type of non-verbal communication. From birth to death and all events in the middle of, the eyes have it. While ladies and men vary in their eye conduct and what that conduct implies, eye to eye connection is the most grounded type of nonverbal communication.
The answer is Moral Panic
Also called 'Public Fear', it is described as a collective Public anxiety or a feeling of threat towards a particular situation which they believe can completely destroy the society they live in.
In history, there has been several cases of Moral Panic starting from early times when e.g. the Japanese saw foreigners as a threat or when so-called witches were burned in Europe.
Recent moral panic examples include the threat of Communism, HIV as a 'gay' disease and the threat of Global warming.
In history, many governments have created 'Moral Panic' as a propaganda tool in wars and to deviate public perception.
A. Lava or magma cools and then crystallizes
This is the answer because when magma cools, it hardens and isnt in liquid form