<span><span>Burning of fossil fuels emits sulphur dioxide.
<span><span>S (in coal) + O2SO2
</span></span></span><span>
Sulphur dioxide reaches the atmosphere, it oxidizes to first form a sulphate ion.
<span><span>
2 SO2 + O2 2 SO3</span></span></span><span>
The sulphate ion joins with hydrigen atoms in the air and becomes sulphuric acid. This then falls back down to earth as "acid rain"
<span><span>
SO3 + H2O H2SO<span>4
Hope this at least helped a little c:</span></span></span></span></span>
<span> ancient organism remains, fossil layers, similarities among organisms alive today, similarities in DNA, and similarities of embryos. Those are the 5 pieces of evidence of Evolution.</span>
The atomic number is the number of protons and the mass number is the number of protons+neutrons in the nucleus so number of neutrons = 155-55 = 100
Answer:
your own way of doing and organizing things
EXPLANATION :
how I define procedure in my own words is the first step to doing something then the second then third it's just how you put your steps in order
Water is an abiotic factor
