Which of the following elements comprises more the 25% of both the Earth's crust and the whole Earth?

Question

Quizplus · Accepted Answer

Oxygen is the most abundant element in the Earth's crust and makes up 46.6% of the crust by weight. It is also one of the most abundant elements in the Earth's entire mass, making up about 30% of the total. None of the other options (hydrogen, iron, aluminum) make up more than 5% of either the crust or the whole Earth.

Which of the Following Elements Comprises More the 25% of Both