pesticides can be grouped according to
Metals are grouped together according to their electron structure.
according to age and sex
Vertebrates were once grouped according to their size before modern taxonomy was founded. Even invertebrates.
all foods are grouped according to their content of carbhydrate, protein, and fats.
where the ruler get and keep their power
Minarols
yes
Structural Similarities
hippocrates
This question requires more detail. Slavery began in ancient times, therefore a nation and time period is needed to answer such a question.
I'm not doing your homework for you.
i know that the food have the same amount of soil