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5 votes
Which invention helped make large working animals more comfortable?

a.seismograph

b.improved collar

c.water clock

d.paper

e.sundial

User RHarris
by
6.5k points

2 Answers

4 votes
An improved collar for the animal.
User SioGabx
by
5.9k points
3 votes
The answer would be B. An improved collar. Hope this helps!
User Borisdiakur
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