Write down what unit of time, you need to use for measuring Challenging Questions

a. The beat of your heart.

b. The duration of one period of your class.

c. The time you take to travel from home to school.

radiation warms things up temp rises convection currents air circ windy weather

= initial pressure

= final pressure = 2

= initial volume

= final volume = /4

= initial temperature = 20 c = 20 + 273 = 293 k

= final temperature = ?

using the equation