Answer:
0.159
Explanation:
the formula to find its is 1÷2*gt^2
oxygen's atomic number is 8
1s22s22p4 is the electron configuration
2+2=4 4+4=8
B.) The retina is the layer containing t<span>he light sensing nerve cells (rods and cones)
The lens helps the eye focus light on the retina, the cornea is the outer transparent structure that covers the iris and helps the eye focus, and the pupil is the opening through which light enters the eye.</span>