Explanation:
The scientists identified possible reactions between the propellants and chemicals known to be in the atmosphere.
The core concepts that make up the psychology of personality is the combination of behavior, emotion, motivation, and thought patterns that define an individual.
I think its D or A im not 100% hope im right and it helps you out
Two ways are develop it over time (people is really stressed and harmful environments)but the most common is genetically passed down from your parents
