What are the three most abundant elements found on the earths crust that combine to form minerals? a. silicon, iron, aluminum b. oxygen, silicon, aluminum c. iron, aluminum, magnesium d. oxygen, silicon, iron

What is the importance of interlocking the fingers and rubbing while washing hands? the palms are the dirtiest parts of the hands. the spaces between the fingers get washed. the backs of the hands get washed. the fingernails are the dirtiest parts of the hands