Answer:
A. Carotene
Explanation:
It is an orange/red pigment which is seen during the fall.
Around 3-4% is the answer.
The other elements<span> in the </span>SPONCH<span> CaFe are calcium (Ca) and iron (Fe). Calcium is an </span>important<span> structural component. Bones and teeth contain calcium. ... Iron is</span>important<span> in the synthesis of hemoglobin, which is responsible for carrying oxygen in blood.</span>