If urea is sold for $250 per metric ton, what is the price of a pound of N in urea?

Why did southern business leaders want to increase the number of slaves

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c

How does climate change cause the ocean's thermohaline current to slow down?