4. the active ingredient in
of toothpaste lists the conce
3.429
e ingredient in toothpaste is sodium fluoride, an anticavity agent. a 170. g tube
paste lists the concentration of sodium fluoride as 0.24%. how many grams of
sodium fluoride are in the toothpaste?

Aforce of attraction/repulsion due to the spin of electrons what is this force?

56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as