Answer:

Explanation:
= Actual wavelength = 
= Relative permittivity = 1.44
The observed wavelength in the glass is given by

The wavelength lies in the range of green light.
Hence, the observed color of light is 
all the allials must be aligned in the same direction
magnets are affected by heat, drops, and improper storage
Answer:
Im not really sure but Id say weather .
Explanation: