How might the use of fire have affected human migration? a. people could live in places that otherwise would have been too cold. b. people could cook food and scare off dangerous animals. c. people could settle in one place where it was easy to keep a fire burning. d. people could be less dependent on daylight and travel at night.

Which of the following is an example of proximodistal pattern of growth? (a) abbey learning to sit first before learning to stand or crawl (b) alex learning to move his eyes before learning his first words (c) colin learning to stare at moving objects before trying to touch them with his hands (d) polly learning to grab the objects with her whole hands before learning to pick them up with her fingers