Question

9. The standard meter is
made of this and SI
placed at the
international bureau of
weights and measures
near pairs:
A: iron and iridium
B: iron and cooper
C: platinum and iridium
OD: platinum and cooper​

Answer 1

Answer:

A

Step-by-step explanation:

A . iron and iridium

Mark my answer as braniliest if it is helpful

Answer 2

Answer:

good night and sweet dreams take care

Step-by-step explanation:

good night and sweet dreams take care