Which era is characterized by stromatolites as the most abundant fossil? Mesozoic
Precambrian
Paleozoic
Cenozoic

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.