-di represents an image in front of a lens
Answer:
KE = incident energy - work function
The maximum KE will be (3 - .6) eV = 2.4 eV
Answer:
I think the answer will be water ,sorry if ik wrong
If you meant "What does the Earths system include?" here's your answer. The Earths system includes the atmosphere, which has all the planets air in it.