Answer:
atoms
Explanation:
Answer:
Isotopes have a different number of neutrons. Therefore, isotopes are elements with the same atomic number but different mass numbers.
The correct answer would be: rock cycle
Explanation taken from user Bistai
"The rock cycle is a recycling process by which igneous, metamorphic, and sedimentary rocks are produced, converted from one form to another and destroyed. The rock cycle is a continuous process that has been occurring throughout the history of the earth. The major processes of the rock cycle include sedimentation, crystallization, metamorphism and erosion."