A study of college freshmen found that students who watched tv for more than one hour each night gained 15 pounds in the first semester, compared to those who watched less than one hour. They concluded that there is an association between watching tv and weight gain in college freshmen. Which study design did they most likely use?.

What does the term "deforestation" mean? what landform are we studying that deforestation is impacting greatly in brazil? describe how and why this is happening. plz me!

Which of these was not a key difference between northern and southern states at the constitutional convention? wanting to protect states’ interests vs. a government with strict rules having more, larger cities vs. having fewer, smaller cities wanting to protect agriculture vs. protect industries having many enslaved people vs. using less enslaved labor

When the power of authority is placed in the hands of the wealthy and influential citizens this is known as a(n) i can not do it