10al + 6nh4clo4 → 4al 2o3 + 2alcl 3 + 12h2o + 3n2
which statements about this reaction are correct?
1 aluminium is oxidised.
2 chlorine is reduced.
3 nitrogen is oxidised.

Non renewable resources like petroleum eventually

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?