What was the science of classification and naming organisms based on the different characteristics called?

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

Which term refers to the total dollar value of the goods and services produced in a country in a year?

Pick twenty foods and research the amount of total carbohydrates, sugars, and other carbohydrates in them. note: most food labels have this information. record your findings.