cytosine and guanine is the correct answer
Fossil fuels release carbon dioxide, nitrogen dioxide, sulfur dioxide, carbon monoxide etc. when burnt that can have severe consequences on the habitats. They are non-renewable sources of energy as they are derived from pre-historic fossils and won’t be available once they are fully used. Their sources are limited and they are depleting at a faster rate.
Answer:
chloroplasts is your answer
The first stage of cellular respiration is most commonly referred to as glycolysis!
