I think c and d is the best answers
Answer:
Violent explosions from the Sun's magnetic field that release energy are Solar flares.
Explanation:
Answer:
it is 180 million years old
Nicotinamide adenine dinucleotide (NAD+) and flavin adenine dinucleotide (FAD+) are two cofactors that are involved in cellular respiration. They are responsible for accepting "high energy" electrons and carrying them ultimately to the electron transport chain where they are used to synthesize ATP molecules.
Answer should be A system
