D, because isotopes all have the same atomic number but different number of neutrons
Answer:
1. S+ O2-->So2..... synthesis reaction or direct combination.
2.. precipitation reaction
3. Displacement reaction
4. Decomposition reaction
fossils fuel is the name given to fuel made from living things such as woods or their waste.The fossils fuel are formed by natural processes, example is anaerobic decomposition of buried dead organism which containing energy in ancient photosynthesis
B. electrons have a negative electrical charge
