The first hominin species to spread out of Africa was:

I believe Homo erectus was the first hominin species to spread out of Africa.

Homo ergaster

Explanation:

Homo ergaster or African Homo erectus may have been the first human species to leave Africa. Fossil remains show this species had expanded its range into southern Eurasia by 1.75 million years ago

hope it helps :)

a chair, a bed, and a toothbrush

explanation:

the answer to your question is:

c. complementary base-pairing