So close to zero as being unmeasurable. The variations in markings come from random variations in wear of the rifling cutter, odd chips of steel produced by the rifling process, etc. Even two guns made in succession on the same production line will show differences in produced striations.
Two common types of Beral pipets are graduated pipets, which have volume markings along the length of the pipet, and non-graduated pipets, which do not have any volume markings and are typically used when precise volumes are not required.
supercomputer and mainframe
Kinetic (motion) and heat.
The two types of rock that are needed to produce an aquifer are sandstone, and are full of pores and can hold a lot of water.
The two popular types of pottery the Athenians produced were Black Pottery and Red Figure Pottery.
The two popular types of pottery the Athenians produced were Black Pottery and Red Figure Pottery.
Chickens produce eggs and meat.
A heterozygous woman with two genes (each having two alleles) can produce four different types of gametes due to the random assortment of alleles during meiosis.
Heterosporous plants are those that produce two types of spores that differ in size and sex. In particular, they produce two morphologically distinct types of sporangia (megasporangia and microsporangia) that create two distinct types of spores (megaspores and microspores). The spores then develop into separate male and female gametophytes. They are different from homosporous plants in which the sporophyte produce a single type of sporangium and then a single type of mother spore cell.
You can find these in any dictionary, but adapt has two syllables (a-dapt) and its "spelling markings" are əˈdapt.
Nimbostratus clouds and cumulonimbus clouds are the two main types of clouds that produce rain. Nimbostratus clouds are thick, dark clouds that cover the sky and bring steady, prolonged rain showers. Cumulonimbus clouds are large, towering clouds associated with thunderstorms, which can produce heavy rain showers, lightning, and thunder.