Welcome to Westonci.ca, where your questions are met with accurate answers from a community of experts and enthusiasts. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

Complementary proteins are two incomplete sources of protein that together provide:
A) the RDA for iron.
B) the RDA for vitamin B12.
C) all nine essential amino acids.
D) both essential fatty acids.