What are some operational considerations for relay pumping? What are some instances in which pressure may be modified in a constant pressure relay?

Alice added sodium chloride to water and stirred the water for several minutes. alice is most likely trying to demonstrate that ionic compounds a. are hard. b. can dissolve. c. are clear. d. can melt.

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant