If you're talking about biology, it is the study of Earth. If this is not what you're looking for, I'm sorry.
The correct option is conscientiousness
<span>Conscientiousness is a big five personality
trait along with extraversion, agreeableness, openness, and neuroticism. Conscientiousness
implies a desire to do a task well and is about how an individual is careful,
thorough or vigilant and direct their impulses.</span>
A tentative explanation of a phenomenon that can be tested I believe is a scientific experiment.
Answer:
The used up all their resources too fast and weren't able to regrow them in time; they eventually basically killed each other off.
Explanation:
<span>A buffer system is a system that keeps pH constant. This is very important in our cells because all of our enzymes needs a specifik pH value to work at optimum. If the pH changes our enzymes might denaturate which means death</span>