Quarts has a hardness of 7 how can you use this mineral to determine the hardness of other minerals

answer; i believe the correct answer is (replication is not conservative);

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!