Report Abuse It is, in general, the hottest month of the year. Report Abuse September and October are the best months weather-wise for SF. The fog stays off shore and the sun shines ... You should have pants and a sweater or jacket along, but it rarely rains.
Bone density (or bone mineral density) is a medical term normally referring to the amount of mineral matter per square centimeter of bones. Bone density (or BMD) is used in clinical medicine as an indirect indicator of osteoporosis and fracture risk.
Like anything involving density,  nutrient density means how much you get of one thing, given the presence of something else. In the case of nutrient density, the things you receive, the nutrients, are analyzed in relationship to how much they cost you, in terms of calories. Simply stated, nutrient density means how many nutrients you get from a food, given the number of calories it contains. Nutrient density is a simple way to connect nutrients with calories. More nutrients for less calories. Nutrient dense foods give you the most nutrients for the fewest amount of calories.