If the earth's differentiation were any different, it may have affected its gravitational pull and . both of these factors were essential to creating our atmosphere.

a. heat transfer
b tempter
tectonic activity

Would corn syrup, molasses, or pancake syrup make a good lubricant in a car engine? explain your answer.

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.

Humidity is to blame for that muggy, steamy feeling you experience on some hot summer days. what gas in the atmosphere causes humidity? a) oxygen b) hydrogen c) nitrogen d) water vapor