main reason

Chinese multiplication table

There's reason for everything

Greatest(Highest) Common Divisor

The reason is…

be careful; it is a phrase to threaten people and tell them to wait and watch out in the future

(verb) watch out; look out; be careful; be cautious; beware of

why, reasons why

Decrease due to an increase

karma

Causality

Causality

due to

Basal transcriptional factor

external reasons

Psychological Factors

disagreements stem from wanting to speak out too much

cause; as a result of; by reason of

a proximate cause

DNA; hereditary genes

(conjunction) So that

the reason is because… [colloquial]

the reason is very simple [written]

for what reason; why; how come [written and colloquial]

therefore

factor

gene

Therefore

because of

because of