Japan has an aging population because there has been a steady decline in the country’s . A. birth rate B. divorce rate C. cost of living D. political system

A

Explanation:

Birth rate

Explanation:

As the birth rate of the country is less it leads to a aging population

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answer; eliminate parking problems in cities, because a car took up only half as much space as a horse and buggy;

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.