Which sentence contains an error in the use of end marks or commas? a. during the holidays, my mom me put together a package of goodies for tammy. b. since october, i've been writing letters to a soldier overseas. c. tammy wrote a very nice -you note, saying how much she appreciated the package. d. when tammy comes home, from her tour she said she wants to come to visit us.

a.that is my answer.

brainliest .

how did justinian contribute to the byzantine empire?

one famous byzantine emperor was justinian i. justinian ruled from ad 527 to 565. belisarius was the commander who led these armies in an attempt to win back the old western roman empire. the war effort to take back the western part of the empire forced justinian to raise taxes on the people of the byzantine empire.

explanation:

mark brainliest and have a great day!