THERE ARE 4 GROUPS OF HUMAN DEVELOPMENT. NAME ONE OF THE GROUPS AND LIST 2 MAJOR FACTS OR ADVANCEMENTS THEY MADE.

"the importance of the japanese economy and security is far greater than that of the asian values"

a.indigo and cochineal

b.animal hides

c.silver and gold

e.cacao beans and sugarcane

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; substantive law;