something that has been happening for a while causing stress or problems causing a reaction after time has passed is called a long-term cause true or false

True

Explanation:Causes that occurred only a few hours, days or weeks before the event are called 'Short Term Causes' Causes that existed for years, decades or centuries before the event are called 'Long Term Causes'

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.

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.