Renewable/Non-Renewable?
Biotic/Abiotic?
Light (electromagnetic radiation) forms a continuous spectrum there are no two main types.
what are the two main types of environment
there are two main types the marine and freshwater
the two main types of communications are emailing and socialising
The two main types of economy are Command and Traditional.
The two main types of friction are kinetic and static.
what are the two main types of environment
eutrophication is of two types; natural and anthropogenic
- Natural gas - Petroleum products - Coal There are only two main categories of non renewable resources. Those are fossil fuels (petroleum products, natural gas and coal) and Uranium.
oil and water
The main types are Serial and Parallel.
The two types of main ideas are stated and implied ones.