8H2. The actual equation doesn't make sense for 8H2. This is because in compounds it always says the number of atoms after the element symbol, but in this case, there is an 8 before it. This means that it isn't a compound.
The leaves!
They have chlorophyll to take energy from the sun and use it.
The process of __clonal selection__
Heme iron and non-heme iron are the two types of iron. Heme iron comes from animal proteins (meat, fish, seafood), while non-heme iron form rice, wheat,..food that is plant-based.
Heme iron is easier absorbed by the body than the non-heme iron and it the best source of iron<span> for people who are </span>iron<span> deficient. So, the given statement is true. It is true, that heme iron is better absorbed than non-heme iron.</span>