Homeostasis is the correct answer
Pulmonary vein. It enters your pulmonary vein and then enters your left atrium.
I hope that helped :)
This question isn't very specified but i'm pretty sure by the context the answer is gonna be tree frogs.
Answer:
Magnetic Declination
Explanation:
Magnetic declination, or magnetic variation, is the horizontal plane's angle between magnetic north and true north. This angle varies depending on the position on the Earth's surface and changes over time.