18. Calculate One gram of protein or a carbohydrate contains about 4 Calories. How many grams
of
protein must there be in this food in order to
account for the number of Calories per serving
shown in the label?

the answer is b. 0; 4

d i think its   answer d

the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question