What does below chemistry rebus means?

Today is a very icy and cold morning in Newcastle. Mr Shearer, an office bus driver arrived to pick up the employees from the last stop. Shearer suddenly remembers that he needs to pick a newly joined 4miles to the north. Mr Shearer lost his direction compass, a few minutes later Shearer is able to figure that he is moving in the correct direction i.e. north. How did Shearer know that he is moving in the correct direction?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

What part of the chicken has the most feathers?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

A bomb exploded in a room full of married couples and no one died. How?

Can you name an animal whose killing cannot be performed without spilling your own blood?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?