Answer: alternative D.
Explanation: Dr. DeVries should choose his sample population randomly in order for his research to be representative, even having a specific population, which is high school seniors, that he wants to study. By <u>choosing specifically students from an exclusive college preparatory school, he isn't considering how students from other schools might perform in his research test</u>. This would be a very important step for him to understand how the practice in problem solving affects the ability related to it. Otherwise, he will have a distorted result.
Answer: Trade Routes and Currency Help the Romans Build a Stronger Empire. A key part of any economy is trade. Traders traveling by land and sea connected people and goods throughout the empire.
Explanation:
A Constitutional Monarchy
Answer:
Rocks beneath the surface are forced toward the mantle
Magma pockets rise, increasing heat.
Temperature and pressure cause to change minerals
Explanation:
Metamorphic rocks are those that originate from the transformation of an existing rock, called a protolite. In the formation of the metamorphic rock it is necessary that the protolite undergoes several processes of chemical and physical chemical nature, called metamorphism, which causes a change in the structure and minerals of the protolite, forming a new rock, the metabolic rock.
In summary, we can say that during the metamorphism rocks beneath the surface are forced toward the mantle. This increases pressure and heat. Magma pockets rise, increasing heat. Temperature and pressure cause to change minerals
Answer: School Psychology
Explanation:
School psychology is the field where group of student are studies through researcher to understand their behavior, academic issues, classroom issues, disabilities etc. School psychologist are the people that conduct the research with students.
School psychologist also consider teacher, educators and parents for defining methods to manage student's education and classroom development. Analysis of problem and disability is done through interviewing and examining the students to know about their stressful and difficult environment.
