How do the displacement, velocity, and acceleration of a runner
change as he races from the starting line toward the finish line
along a straight path?

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?

Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12