Choose three different chains of energy conversions that you use at home or at school to accomplish tasks in your daily activities.

There are different energy conversions which we encounter in day to day life. Some of them are:

1) We use chemical energy in the food to convert it into mechanical and kinetic energy which we need for walking to the school.

2) We use chemical energy to be transferred into electrical energy which is converted to light energy in our bulbs so that we can see.

3) We convert electrical energy in the toaster to thermal energy to make breakfast.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.