Which phrase defines complementary goods? a. goods used in combination with other products b. goods given free of cost with the purchase of other items c. goods distributed as product samples among customers d. goods sold at a discounted price during sale season

A.) Goods used in combination with other products

the correct answer is (A) goods used in combination with other products

Explanation:

b) the planets year length would be longer

hope this !

stable food supply,social structure, government,religion,culture/art,technology and writing/language;