Complete these sentences by matching the phrases below.
Scientists
extrapolate
backward...
Chemistry, 09.06.2021 01:00 ndndndjdjdjdn
Complete these sentences by matching the phrases below.
Scientists
extrapolate
backwards in
time to derive:
the Doppler effect.
When light waves
are emitted by a
moving source,
scientists can
cosmic microwave
background radiation.
measure:
The extremely
low temperature
of outer space
can be explained
as:
particle ascelerators,
Answers: 2
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