Which of the following internal control activities most likely would assure that all billed sales are correctly posted to the accounts receivable ledger? daily sales summaries are compared with daily postings to the accounts receivable ledger. the accounts receivable ledger is reconciled daily to the control account in the general ledger. each sales invoice is supported by a prenumbered shipping document. each shipment on credit is supported by a prenumbered sales invoice.

there is an explationation of this on a site called crash   course world history 1

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.

answer; ///biological psychologists;