A researcher has found that students who sleep more in class get lower grades on their exams. This is an example of a (n)

A) positive correlation.

B) independent variable.

C) negative correlation.

D) dependent variable.

If the mass of a material is 113 grams and the volume of the material is 24 cm3 what would the density of the material be?

The government uses the following methods to regulate pollution. Which of these results in the most pollution reduction by the firms with the lowest cost of pollution reduction and the least pollution reduction by the firms with the highest

What is the significance of second continental congress and what resulted from it?

Efficiency can best be described as: O A. arranging items by order or category. O B. the ability to do something well without wasted time or effort. O c. a measure of output for any given project, task, or activity. O D.

I am going to run away, is anyone interested?

How do you survive high school

Can we know if we have a soul? What about other people or animals?

Many things happen when rain falls down. Explain what happens to rain as it falls on the surface of: concrete, water, and a slanted/sloped roof. Now, thing about an extra long rainy season.

A slow directional shift of the earth' axis that required 260.000! years to complete called

Mrs. Brown has 5 daughters. Each of these daughters has a brother. How many children does Mrs. Brown have?