Which force below acts at 90 degrees and is applied by a surface/wall to an object. A. U gravity
B.
normal
C.
net force
D.
apparent force
E none of the above

What is the relationship between the wavelength of a wave and it's energy?

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2

The bubbles in a carbonated soft drink are produced when carbonic acid decomposes to form carbon dioxide and water. in a closed system, this equilibrium exists as why does a carbonated soft drink lose carbonation when the container is left open? a.water evaporates, which favors the formation of h2co3. b.pressure decreases, which favors the formation of h2co3. c.the open container warms up, which causes more gas to escape. d.co2is removed, which favors the formation of h2co3.