Either of them is. 1/(the other one). That's 'C' .
Is drifting around in space
From britaññica it said time and money. They didn’t have either to switch over from the industrial period and never did. Also from my own person reasoning i think most of the world uses not US customary, so to make stuff more accessible. hope this helps!
An ampere (AM-pir), or amp
Radiation damages the cells that make up the human body, it can even cause cancer
