In order to find the empirical formula of this compound, you must first calculate the ratio of elements.

The biker gang is causing a commotion in the town.

I will participate in an obstacle race this weekend.

I like to add tahini to my salad.

You often see southern crabgrass as a weed in the garden.

Indian goosegrass is often seen as a weed in the garden.

He works as a pilot of a warplane.

My father bought a new tiller.

My father bought a new tiller.

My father bought a new snowblower.