Why was the hijrsj important,(A) it marked the begging of the islamic era. (B) it signaled the Muhammad it's no longer going to bow to rebels. (C) it brought a large group of muslims to mecca. (D) it describe the renovation of the Kaaba. Please anwer fast

In japan, the is the head of state and the is the head of government.who ever answer will get

Why did the crew of the zong ship throw some captive africans overboard? a. there was not enough space in the ship. b. the captives’ deaths were covered by insurance. c. the ship did not have adequate food. d. the ship did not have sufficient crew to care for the sick captives. e. the african captives rebelled against the crew.

When there are advances in technology, such as the personal computer, how might business productivity change? a) productivity is separate from technological advances so there is no impact. the new technology can replace outdated, less efficient, machinery. o) the businesses' products will no longer be demanded. d) manufactured items will be made elsewhere.