If you conduct experiments and get consistent results and then change variables and again get consisnet results.
Carbon<span> is found in all living things is the </span>reason<span> that why </span>carbon is able to form macromolecules<span>.
you do not have the reasons listed, so i came up with my </span>own
<span>Eating away from home is playing an increasing large role in the diet and the household budgets of American families. Back in 1970 approximately 26 percent of all food spending was on food away from home; by 2012, that amount had risen to 43 percent. The increase can be attributed to a greater percentage of women employed outside the home, more two-earner households with the resulting higher incomes, as well as more affordable and convenient fast food outlets. The downfall of this statistic is the contribution all that fast food makes to higher levels of obesity and lower dietary nutritional quality.</span>
