1. which can protect against free radicals? a. exposure to uv radiation b. mitochondrial energy metabolism c. vitamin e supplementation d. cigarette smoking e. immune function

When you aggregate your data, you need to remember a. you'll use this data to parents understand your work. b. everyone should end up looking similar in their development. c. you're looking at the whole group rather than each individual. d. the big picture represents your instructional practices only.