From what i have read i beleave the rover was called " Spirit of St. Louis"
Answer:
Magnetic reversals - Evidence suggests that the earth's magnetic field has periodically reversed its polarity in the past. ... Small magnetite crystals in a cooling lava flow act like tiny compass needles, preserving a record of the earth's magnetic field when the lava solidifies.
Answer:
Urban system
Explanation:
An urban system is a term used to refer to an area in which daily commuting occurs. It is an interdependent group of an urban settlement.
It's the Mariana trench found near Japan and Guam