Which of the following is not considered a primary source? A
a diary entry

B
a biography

C
a letter

D
a photograph

Where did washington’s army spend a harsh and difficult winter in 1777–1778?

Technician a says that the sine with dwell (swd) test is used to determine if an electronic stability control system functions normally. technician b says that the esc lamp, called a telltale light, is required to remain on for two minutes. who is correct?

How do you imagine life would be without the invention of the typewriter? would computers have been invented?