Chicken meat fish cheese nuts beans
junk food
kidney bean
It is false that a combination of rice and corn form a complementary protein food source.
protein
milk is a good option.
carbohydrates
They are a good source of protein, fibre, minerals, and energy.
Eggs would be in the meat food group. They are a source of protein.
Your breakfast should include a protein source, a carbohydrate source, a fruit source, and a fluid.
9g is not a source. If it's a good amount depends on the weight on the food which contains that amount.
They store it for food. It is a rich source of protein.
The highest source of protein comes from the food group containing eggs, beans, meat, fish, and nuts.