Why do you think geologists were able to use these P and S seismic waves to confirm that the outer core is liquid? Write your answer below.​

The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.

The kw for water at 0 °c is 0.12× 10–14 m2. calculate the ph of a neutral aqueous solution at 0 °c.

In which phase of mitosis do the spindle fibers pull the chromosomes apart to opposite sides of the cell ?