2. The 9000 J of heat loses to a system and 3500 J of work is done by the system. What is the change in internal energy of the system?

Answers

• Réponse publiée par: tayis

  Computers
  plastics
• Réponse publiée par: 20201947

  answer:

  today, the earth's axis is tilted 23.5 degrees from the plane of its orbit around the sun. but this tilt changes. during a cycle that averages about 40,000 years, the tilt of the axis varies between 22.1 and 24.5 degrees. because this tilt changes, the seasons as we know them can become exaggerated explanation:

  just look it up on google.

• Réponse publiée par: alexespinosa

  This is the continental drift theory. this theory explained how continents of the earth change or shift position on earth's surface
• Réponse publiée par: enrica11

  Because it's made up of atoms and it has mass and does occupy space.