Auroras normally occur in the Earth's thermosphere.
Answer:
Earth's atmosphere has a series of layers, each with its own specific traits. Moving upward from ground level, these layers are called the troposphere, stratosphere, mesosphere, thermosphere, and exosphere. The exosphere gradually fades away into the realm of interplanetary space.
Explanation:
Layers of Earth's Atmosphere | Center for Science Educationhttps://scied.ucar.edu
bacteria are classified as microbes
The answer would be Parasympathetic.
The Parasympathetic is the part of the nervous system that returns his heartbeat to normal.
