Which organism is most likely responsible for first producing oxygen in Earth's early atmosphere? How did the work of J. William Schopf help demonstrate this theory?

d.) the average kinetic energy of the gas particles is greater in container b because its particles move faster.

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.