. How did the history of North Korea during the 20th century helped lead to its economic and social problems today?
A:North Korea refused to trade with other countries, leading to few goods and services.
B:North Korea suffered from earthquakes, leading to the destruction of cities.
C:North Korea experienced enormous immigration, leading to disease and poverty.
D:North Korea became a communist nation, leading to military overspending.

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.

50% i think

explanation:

the density would be a smaller number.