Answer:
A compass works by detecting and responding to the Earth's natural magnetic fields. The Earth has an iron core that is part liquid and part solid crystal, due to gravitational pressure. It is believed that movement in the liquid outer core is what produces the Earth's magnetic field.
Explanation:
Answer:
Hubble's Discovery
cosmic microwave background radiation
The current will be divided by 2
Infrared radiation <span>is sensed by human skin as warmth.</span>
