Answer:
to see if they can find any other information to see what it worth how valuable it is or wht it is
The sample will disolve in less than one minute.... temperature changes the rate of reactions......
The period during which the presence of stromatolites decline is the Proterzoic period. Stromatolites are widely distributed sedimentary structures consisting of laminated carbonate or silicate rocks, produced over geologic time by the trapping, binding, or the precipitating of sediment by groups of microorganisms, primarily cyanobacteria.
Answer:
The answer is D. Mechanical Energy to Chemical Energy
Explanation: