The Assyrians were also skilled in mathematics and astronomy. They created the first sundial, a device
for telling time using the sun. They made discoveries
that led us to the 60-minute hour and the 7-day week.

the answer is d. give brainliest if right.

ps is this 7th grade civics?

one central belief of buddhism is often referred to as reincarnation -- the concept that people are reborn after dying. buddhism is a philosophy of life expounded by gautama buddha ("buddha" means "enlightened one"), who lived and taught in northern india in the 6th century b.c.

is this question from a book? ?

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.