Which best explains why a wood-burning fireplace represents an open system?
A. because they are not all made of brick
B. because a fire requires oxygen from the atmosphere to burn
C. because they can be used for cooking
D. because the ashes have to be swept away
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Which best explains why a wood-burning fireplace represents an open system? A. because they are not all made of brick B. because a fire ...” in 📗 Physics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
When a potassium ion (k+) enters a gaurd cell it creates a solution of what?
Answers (1)
In atoms, electrons surround the nucleus in A) random patterns B) specific energy levels C) orbits like the planets D) a "plum pudding" type arrangement
Answers (1)
5. If the total charge of an atom's nucleus is + 3 and the total charge of the surrounding electrons is - 3, the atom is (choose one.) a. Positively-charged b. Negatively-charged c. Electrically neutral d. Unstable
Answers (1)
The skeletal system of animals structure and support. Which cell part provides a similar function in the cell? A. golgi apparatus B. cell membrane C. large central valcuole D. pili
Answers (1)
A fl oor polisher has a rotating disk that has a 15-cm radius. The disk rotates at a constant angular velocity of 1.4 rev/s and is covered with a soft material that does the polishing.
Answers (2)
New Questions in Physics
A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?
Answers (1)
A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is
Answers (1)
What is the weight of a 65 kg astronaut on mars?
Answers (1)
When lava cools, what type of Rock forms?
Answers (2)
A uniformly charged conducting sphere of 1.1 m diameter has a surface charge density of 6.2 µC/m2. (a) Find the net charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere?
Answers (1)