What is the leading hypothesis on why humans evolved such large brains?

Which plan groups foods according to types and indicates how much of each type should be eaten daily for a healthy diet? a. mypyramid plan b. food guide pyramid plan c. dietary guidelines for americans d. dietary pyramid guidelines

Amino acids are important to the body because they build carbohydrates proteins complex carbohydrates simple sugars fats

Which behavior of an expectant mother is unhealthy