To break up very large boulders, specialists use a technique ...

[leo leo]

To break up very large boulders, specialists use a technique known as _____.
 
  a. snakeholing
  b. delay pattern blasting
  c. blockholing
  d. time-delay blasting

Question 2

The water table is _____.
 
  a. a document identifying all water sources on the job site
  b. a sump where groundwater is collected for pumping
  c. the elevation at which groundwater is encountered
  d. an aid to calculating the water percentage in concrete

[cassie_ragen]

Answer to Question 1

c

Answer to Question 2

c

[leo leo]

TYSM

[amandanbreshears]

Thanks for the timely response, appreciate it