metals and non-metal............ metalloids are inbetween (mix of both)
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Alphine
The two main leaf types are simple leaves, which have a single blade, and compound leaves, which have multiple leaflets attached to a single leaf stem.
The two main types of creosote are made from wood-tar and coal-tar. Creosote is distilled from these different types of tar and used for varying purposes such as astringent, laxative, and anti-septic.
The two main types of dry climates are semi-arid (or steppe) and arid (or desert), both of which occur in low latitudes and midlatitudes.
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
mass and element
The main types are Serial and Parallel.
The two types of main ideas are stated and implied ones.
Metallic and non-metallic.
element and molecules
The 2 main types of timber are Softwoods and Hardwoods.