What event might occur when favorable adaptations build up in a population over many generations?

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

Aboy with an extra x chromosome probably has which of the following syndromes?

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste. the percentage of food that the united states wastes each year is %.