What hominids developed during the old stone age

hello,

i'm not so sure but i hope this in anyway.

the president of russia is head of state, and of a multi-party system with executive power exercised by the government, headed by the prime minister, who is appointed by the president with the parliament's approval.

hope this : )

answer: wait what

explanation:

just finished this it is b. centrifugal force

i need the diagram.