This gas is found in small quantities in the lower layers of the stratosphere this gas is extremely important because it absorbs ultraviolet radiation

a. argon
b. carbon dioxide
c. nitrogen
d. ozone

Which object is most likely represented by a dot?

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n