There are infinitely many possible criteria. Some examples:
living and non-living,
bigger than 10 cm3 or not,
red or not-red;
edible by me or not (a simple edible and not edible does not work because some people may not be able to ingest nuts, milk, wheat because of intolerance,
taller than you or not taller than you.
I hope these examples illustrate the hopelessness of trying to draw up a list of such dichotomous groups.
It was a religous cult founded by Pythagoras that thought everything depended on numbers, and math. They were divided into two groups, the mathematikoi and the akousmatikoi.
To divide something that has already been divided. 8, which can be divided into two groups of four, can be subdivided into four groups of two.
15.5
No.
There are two types of farming (as you said). The two types are organic and in-organic.
Muslims were divided into two groups
It was a religous cult founded by Pythagoras that thought everything depended on numbers, and math. They were divided into two groups, the mathematikoi and the akousmatikoi.
To divide something that has already been divided. 8, which can be divided into two groups of four, can be subdivided into four groups of two.
15.5
technically there can be over 100 groups of farmers their allover the world and china is one of the most farming countries ever so that's my answer :]
they were not really divided into two groups but if you want two gruops how about male and female.
Simple And Complex
Protozoa and Algae
Yes
No.
He divided animals into two groups- those with red blood and those without it.
living and nonliving