What do the Great Leap Forward, Cultural Revolution, and Tiananmen Square all have in common? O A. China's economy improved because of each event.
O
B. China's citizens had fewer political freedoms because of each event.
O
C. China's citizens had more political freedom because of each event.
O D. China's Mao Zedong led each event.

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.

answer law is not needed; /// (concurrent resolutions);

answer; the three types of research;

answer; (b) limited resource to satisfy virtually unlimited wants;