Answer:
Read Exp:
Explanation:
Barack Obama was the first African-American ever to be elected president.
According to the framers of the constitution, the main goals of the government are:
<span>1. form a perfect Union
2. establish justice (through law and regulation)
3. ensure domestic tranquility (through borders)
4. provide for the common defense (through military sendings)
5. promote the general welfare (through government aids)
6. secure the blessings of liberty (by giving freedoms for all of the people)</span>
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.
I think the Maths is more important .
Answer:
Consumer Depend on Producers for food because they can not make their own energy rich molecules. They have to eat other organisms to obtain energy.
Hope this helped
