Mississippian Indians used a technique of "building walls with a network of interwoven sticks and covered with mud or clay." - - Georgia Department of Education
What was this technique called?

i got 3,4 and 5 as an answer

the answer would be c. sediment buildup on continental slope

                                                                                -hope this -

the answer to your question is,

old stone age.

-mabel < 3