Now that you understand the element potassium, what could you tell me about its period and column? additionally because it is in that specific column, what properties does it have?

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?

You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.