Answer:
There are differences between layers of the earth based on composition and in response to stress.
Explanation:
There are three layers of Earth based on 'chemical composition': the crust, the mantle, and the core. The outermost part is the crust which is less than 1% of Earth by mass. It consists of oceanic crust and continental crust. The mantle is hot and the last layer core is mostly composed of iron metal.
The physical behavior of earth depends on how much pressure it faces and its repose to stress. As we go deep inside the earth, the pressure and temperature increase. Lithosphere, Asthenosphere, Upper and lower mesosphere, outer and inner core are layers of Earth subjected to pressure. Lithosphere is the strongest layer. Asthenosphere being weaker than lithosphere.
Answer:
It's b
Explanation: She is in her early 40s and taking care of the upbringing of her young children and assisting her aging parents
Chris's traits would most likely be selected.
According to evolutionary psychology, there are specific behavioural and personality traits which can be seen as evolutionary adaptations. These traits increase the survival rate of the human species and improve the adaptation of the human population in its environment. In this example, Chris is helpful and cooperative, therefore he helps the rest of the community and he is also taking care of his kins and friends. These can increase the survival rate of the human population.
Answer:
External validity.
Explanation:
Whether the results of this study help us to understand the relationship between cell phone use during class lectures and work performance in real-life institutions is a question of <em>external validity</em>. Whether the conclusions of a scientific study can be applied to other institutions and other activities is a matter of external validity. External validity is the generalization of the results of a scientific study to other contexts.
Answer:
The Election of 1860 demonstrated the divisions within the United States just before the Civil War. ... The Constitutional Union Party was also new; 1860 was the first and only time the party ran a candidate for president. The results of the 1860 election pushed the nation into war.
Explanation: