the producers in the ecosystem produce 25,000,000 kilocalories per year. how much energy is most likely to be available to the organisms in the second level

b is the best answer for this question.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called