The answer would be : D. Russian adaptation to extreme cold
If a steel is exposed to an extreme low temperature over prolonged period of time, the structural form of the steal could be damaged, which could lead to a destruction of a building's foundation. In order to prevent this, a country which extreme winter such as Russia developed a special steel that won't crack.
Answer:
September 9
Explanation:
September 9 was chosen to be the International Day to Protect Education from Attack. This day was chosen during the UN General Assembly and calls for the protection of education from armed conflicts and intolerant speeches, promoting knowledge in the best possible way. Unfortunately, many actions must be taken in order for this protection to be actually carried out, but an initiative has already been made.
Various push and pull factors.
Possible push factors:
- Famine
- Violence
- Homelessness
Possible pull factors:
- Job opportunities
- Social opportunities
- Safety
Answer:
Accidental reinforcement
Explanation:
Accidental reinforcement occurs when a reinforcer casually concurs with a positive outcome, so the person associate the outcome with the reinforcer. This type of reinforcement is usually the source of superstitious behaviours.
In this case, Roger associated the fact of wearing green underwear to the good grade he got in his test, the green underwear was the reinforcer that casually concurs with the positive outcome which in this case was the good grade, so Roger started associating both and now he wears green underwear on test days.
The correct answer should be B
