Which layer of soil is least likely to be penetrated by plant roots

Which of the following contributed most to making the items listed in the box

Lots of points: economics: a rise in price sends a signal to producers to supply. a. reduce b. increase c. maintain d. stop

Explain how the poverty level is determined. on edinuity* the possible answer may the poverty level is defined by the u. s. bureau of the census and it is determined by calculating the cost of providing an adequate diet. this number is then multiplied by three because research has indicated that poor people spend a third of their income on food.