Which one of the following equations encompasses boyle's law, charles's law, and the relationship between pressure and temperature when the volume is constant? a. p = f/a b. p1v1 = p2v2 c. v1/t1 = v2/t2 d. pv = nrt

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.