Gather your materials. For this battery youâll need one plastic cup (6 to 8 ounces), two 3/4-inch-wide strips of metal that are taller than the cup, and one tablespoon (14.79 ml) of salt.Each strip must be a different type of metal, but you can choose which type: zinc, aluminum, and copper are popular choices.ather your materials. For this battery youâll need one plastic cup (6 to 8 ounces), two 3/4-inch-wide strips of metal that are taller than the cup, and one tablespoon (14.79 ml) of salt.
Maca is a complete protein providing all of the essential amino acids (the ones the body can't produce on its own). It contains an abundance of calcium, iron, magnesium, sodium, sulfur, potassium and phosphorous.
Nuts, legumes (including beans), seeds and whole grains all provide protein and when combined can help provide all essential amino acids. Some professionals say that quinoa is an exception as a complete, plant-based protein but others are still on the fence about this one.