Answer:
Can you do it in english please don't understand Spanish much. thanks
HBr is the formula for hydrobromic acid
Electrons - they are the particles that determine the chemical properties of an element
Relative molecular mass or RMM is the answer.
1} Trace fossils
2} Invasive
3} The age of depths
4} Any kind of weathering or rocks
5}Weathering, deposition, erosion