Isotopes of the same element always have the same (3 points) amu number a-number z-number

Why is permeable soil best for plants that need a lot of drainage?

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.

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?