Which is an example of convection? A. Hot air rises up a chimney, drawing cool room air into the fireplace.

B. You fry a hamburger in a pan.

C. You heat your cold hands as you stand near a campfire.

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159

Is 343 in the sequence -5, -2, 1, 4, 7