The last one because plants move oxygen out to the atmosphere while taking in C02
Answer:
it is called tympanostomy tubes. they also help to equalize pressure
Objects have more kinetic energy than others because when an object is just sitting their they are not using any energy but then they save energy.
Heat/melting and pressure.
What is the second question? If it is in a picture I cannot see it, just comment the question below and I'll see if I can help you :3
