The answer is: Plasma.
.........
Answer:
They are made of gases.
They contain iron in their cores.
They make energy through fusion.
Explanation:
Answer : The product in the given balanced reaction is, sulfur dioxide
.
Explanation :
The balanced chemical reaction will be,

This reaction occurs when sulfur react with oxygen gas to give sulfur dioxide gas as a product.
In the given balanced chemical reaction, sulfur (S) and oxygen gas
are the reactants and sulfur dioxide
is the product.
Hence, the product in the given balanced reaction is, sulfur dioxide
.
The answer is A: phytoplankton provides nutrients to consumers in the ecosystem.
Hope this helps:)