biology biolojia
cause ajili
chemistry kemia
comparison upambano
consequence athari
discipline nidhamu
discovery ubuni
event mkasa
example mfano
fact hakika
issue jambo
kernel dhati
method jinsi
phase hatua
procedure kanuni
project shauri
| | research uchunguzi
science elimu
society jamii
system mfumo
technology teknolojia
theory nadharia
trend elekeo
trouble jambo
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