Difference between act and action

[Kita]

Test No. incompl/inter-3 "If you tend to forget", question 5

The one thing my family will always remember about Grace was the many ......... of kindness that she showed us in her long life.

(a) deeds
(b) acts
(c) actions
(d) feats

Test No. incompl/inter-3 "If you tend to forget", answer 5

The one thing my family will always remember about Grace was the many acts of kindness that she showed us in her long life.

Correct answer: (b) acts

Your answer was: incorrect
The one thing my family will always remember about Grace was the many actions of kindness that she showed us in her long life.
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What is different between acts and actions?

[Torsten]

An act of kindness is a deed. It's more specific than an action.

Please, also mind the difference between different and difference:
Difference is a noun while different is an adjective.
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