Trevor watches as a freight train passes. he counts eight identical black railroad cars, then a red car, followed by several more black cars. which type of organic compound does the train most closely model?
a-an alkyl halide
b-an aldehyde
c-an ether
d-a carboxylic acid

Answer is: C-an ether.

Ethers are an organic compounds that contain an oxygen atom connected to two alkyl or aryl groups, the general structure of an ether is R-O-R' (R and R' are any alkyl or aryl substituent).
In this example black railroad cars are carbon atoms and one red railroad car is oxygen atom.

The answer is c fish

It is 4.92 e-4 sorry if i am wrong