Quantity that stays constant in uniform circular motion

The same question, asked 2 times: May 2022 S1, 15 May 2023 S2. Every wording below, oldest first.

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Question 1
May 2022 S1
35 $A body moving in a circular path with a constant speed has constant$
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Question 2
15 May 2023 S2
48 $A particle is moving in a circle with uniform speed. It has constant$
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