DD

1. Energy

2. Energy
It is result of the combination of water
rain containing acid or chemical
elements.
a) Fuel
b) Pollution
c) Acid rain

3. Energy
It is the smallest part of an element
that still has the chemical
propierties of the element.
a) Combustion
b) Atom
c) Fire

4. Energy
It is an organic mass produced by
a biological process. It is used as
energy resource.
a) Hydropower
b) Biomass
c) Fire

5. Energy
It is a mineral substance made of
carbon used as a fuel.
a) Coal
b) Carbon
c) Diesel

6. Energy
Commonly known as the process
of burning.
a) Biomass
b) Explotion
c) Combustion

7. Energy
It is the matter that can be burned
to create heat or power.
a) Diesel
b) Atom
c) Fuel

8. Energy
It is the hydroelectic power. Power
made by water.
a) Hydropower
b) Sun
c) Fuel

9. Energy
It is the introduction of contamins into
the natural environment. Toxic
emissions from factories, houses…
a) Combustion
b) Biomass
c) Pollution