Answer: It is the first one. First: 3 upper C u right arrow 3 Upper C u superscript 2 plus, plus 6 e superscript minus. Second: 2 upper N superscript 5 plus, plus 6 e superscript minus right arrow 2 upper N superscript 2 plus.
Explanation:
Correct
Answer:
kinds of fish
Explanation:
I saw at the picture many kinds of fish but they are all in the sea or fish pond maybe.
Answer:
Velocity
Explanation:
The change of velocity rate it's the definition of acceleration.
While increasing or decreasing velocity, it means that an acceleration it's happening.
Using some math:

This can be read as "the acceleration it's equal to te variation of velocity with respect to time"
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El Sistema Internacional de Unidades se basa en dos tipos de magnitudes físicas: Las siete que toma como unidades fundamentales, de las que derivan todas las demás. Son longitud, tiempo, masa, intensidad de corriente eléctrica, temperatura, cantidad de sustancia e intensidad luminosa.
Answer: Option C is not a property of a acid, acids turn blue litmus paper red.
Explanation: