Answer:
a
Explanaiton that was what i think nasa told me i hope this helps
Every 85 years it shows it is expected in 2061
Favelas are found in Rio de Janeiro. hope this helps :)
The Inca used those metals to decorate their palaces and had silverware, cups and dishes made of them.
Of course, only royalty had that.
Geothermal energy is not a fossil fuel.
