B. The sound of the engine will get louder and the pitch higher.
Answer:
Les facteurs abiotiques font référence aux éléments physiques et chimiques non vivants de l'écosystème. Les ressources abiotiques proviennent généralement de la lithosphère, de l'atmosphère et de l'hydrosphère.
Explanation:
Answer:
t= 24080 s
Explanation:
Given that
Current in the wire ,I = 4 A
The charge ,q = 6.02 x 10²³ e C
We know that

I=Current
q=Charge
t=time

Now by putting the values in the above equation we get'

t= 24080 s
The particles are very compact and dense in the iron nail.