20

how were the economies of ancient mesopotamia, egypt, and the indus valley similar?

a. most of their populations were enslaved.
b. they issued coins as money.
c. they relied very little on trade.
d. they all relied on farming.

I think it is D {They relied on farming}

Explanation:

Its late it was in 2019 but sorry

salt is a type of solid, which means that it will when placed in water.

  a.  

soluble, float

  b.  

soluble, dissolve

  c.  

insoluble, settle

  d.  

insoluble, dissolve

c

explanation: