The arid regions of the world rely heavily on irrigation in order to grow crops. which of these is the biggest consequence that occurs with excessive irrigation?

soil exhaustion

salinization

abrasion

leaching

its salinization i know because i had this question and this was correct.

air, water, heat and noise pollution can all be caused by producing and using technology. consuming resources - non-renewable resources, including precious metals like gold, are used to make technology