Which type of front causes colder air to force warm air upward and close it off from the surface? (choose 3)

warm, moist air

warm, dry air

cold, moist air

cold, dry air

temperate, moist air

temperate, dry air
WILL GIVE BRAINLIEST

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.

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

When doing scientific research ,the sources used should be ?