How was the invention of the wheel important to the summerians? a. it allowed them to conquer neighboring states. b. it made traveling with traded items easier and increased trade. c. it improved their communication and recordkeeping. d. it them to water their crops all year.

B, they were able to trade more due to faster travel  hope this hlps

The answer would be B. It makes traveling with traded items easier and increased trade

for this case, we must find the number of deaths per day of the year 2015, in automobile accidents, knowing that 32,400 people died.

knowing that the year 2015 had 365 days we have the following division:

where "x" represents the number of deaths per day.

rounding off we have:

approximately, 89 people per day died in 2015

answer:

89 people per day