Question 2 10 pts
The average pH of current oceans is
pure water.
units
than the pH of
• 1.1 higher
1.1: lower
1.2 higher
0.8: higher
1.2 lower

What provides structure to the human body?

Why is nh3 classified as a polar molecule

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?