The answer is the atoms of the reactants have combined to form a new substance. Every product of a chemical equation has to be a new substance. If their is no new substance then, a chemical change never occurred and there is no chemical equation. The new substance never has the same properties as the reactants. That's why they call it a "new" substance. Also, the atoms are the ones that combine. They are not mixed
Cells are located everywhere in the body but tissues are only located in an organ that works together to make an organ and even tissues mean that cells that work together but tissues are not everywhere in the body like cells are.
glacial troughs or glaciated valleys
Scientists could discover a range of different points from each other which will later help in coming up with a conclusion. Scientists can also collect their information and compare, this will help because it will help push the urge to come up with more figurative answers and instead of being negative they will be helping each other. Thus, learning more about the other person.
It's an intersection of (2)atmosphere and geosphere.