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Vlada [557]
4 years ago
6

The efficiency is the number of times a machine multiplies the input force true or false

Chemistry
1 answer:
OlgaM077 [116]4 years ago
4 0

Answer:

may be...... false not sure

Explanation:

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Why do many parasites eventually need new hosts?
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4 years ago
Which of the graphs below might represent a mixture of pure water and ice exposed to a room temperature of 3°C?
Y_Kistochka [10]

Answer:

C. Graph C  

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The purple bar will be slightly higher than the blue bar.

Graph C best represents the relative rates

A. is wrong. The ice-to-water rate is faster, so the water is melting. The temperature is slightly above freezing (say, 3 °C).

B. is wrong. The two rates are equal, so the temperature is 0 °C.

D. is wrong. The water-to-ice rate (freezing) is much greater than the ice-to-water rate, so the temperature is well below freezing( say, -10 °C).

6 0
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Which pair of elements will form an ionic bond?
irakobra [83]
NA and CL
Na and F
IONIC OCCURS BETWEEN METALS AND NON METALS
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