Carbon monoxide is a colorless, odorless gas, and it is dangerous to inhale.

I am majoring in histology at university.

This rodenticide is particularly effective against mice.

We have equipped everything necessary for the trip.

He participated in the anti-war movement.

The result of the game is fifty-fifty.

I went to see the beautiful scenery of the Han River.

He is working as a member of the International Criminal Police Organization.

He holds a very high position in that company.

What is the common difference of this arithmetic sequence?