Answer:
Model B
Explanation:
Model A shows that light has been reflected, whereas Model B shows the light has been refracted. Light will be refracted as the light enters a more dense medium (glass), from a less dense medium (air).
This website has a really useful, thorough explanation for why this occurs:
(Check the explanation under the heading 'Explaining refraction - Higher')
https://www.bbc.co.uk/bitesize/guides/zw42ng8/revision/2
Hope this helps!
Let's hope she didn't watch it without me or i will never be speaking to her again :))
It would be to see your awnsers
He thought elements that haven't been discovered belonged in the place of the gap. He could also use the atomic mass of the missing elements
One single covalent bond, hope this helps!