Answer:
Burning it releases no pollutants
Explanation:
Natural gas
- Coal is the world's most abundant fuel.
- It can be used as fuel for vehicles- TRUE
- Natural gas is a non-renewable hydrocarbon used as a source of energy for heating, cooking, and electricity generation
Natural gas produce precursors of smog when burnt
Answer:
D
Explanation:
A tectonic plate is composed of both continental and oceanic lithosphere. It is a large, irregular slab of solid rock. However, plate size can vary.
One type of weathering is man made weathering. (For example) Humans may carve a rock or mine for minerals. Another type is natural weathering. This is when a river may push a rock or lighting may scratch a tree. That weathering is naturally occurring. Hope that helped!
I think that a) is chemical, and b) would be chemical