I’m thinking either C or A
Answer short period
Explanation:era is long and a short period is not
Its form of mining that uses high-pressure jets of water to dislodge rock material or move sediment.This means that where farmers put their crops,it will have to be where there was no hydraulic mining because the ground might collapse because there are no rocks holding up the ground
Answer:1. (2b /1a 2.( 2a / 1b
Explanation: this question throw me for a couple of minutes now what I realized that is can be answered in multiple ways