babydoll1981
12.02.2020 •
Biology
Which of the following statements describes a compound machine? a) it has movement in only one direction b)it makes work more difficult c)it is made up of more than one simple machine d)it can be acted by one force
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Ответ:
answer:
it is C
Explanation:
I learnedit in sixth grade public school before i came to cca
Compound machines are structurally built or made with more than one simple machine. A good example of this is the wheelbarrow, which consists of a lever, an axle, and a wheel. These are different simple machines that when bound together can help us perform difficult tasks (e.g. lifting or transferring heavy loads).
Ответ:
Its easy! Its ingestion and skin contact.
ur velcum(welcome)