Light receptor cells are located in the skin. true or false okay so i think it's false because i'm pretty sure they're located in the eyes, but i'm not sure?

What is the partial pressure of ethane, pethane, in the flask?

How many miles of water are produced if 5.43 mol pbo2 are consumed

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth