What is the primary source of fuel for the brain?
a. proteins
b. fats
c. carbohydrates
d. vitamins

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

The pronunciation aid that determines the stress placed upon a syllable is the

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal