Answer:
C. seismographs
Explanation:
Theirs another name for seismographs but c is correct
Answer:
The magnitude of the electric field at the center of the circle is 85 N/C
The correct option is b. 85 N/C
Explanation:
Please see the attachments below
temperature decreases at higher altitudes because as air rises the pressure decreases.
Answer:
A
Explanation:
hydrostatic pressure, P=hρg,
where 'h' is the ht of the liq column and ρ is the density of the liquid and 'g' is the effective acceleration, but as far as hydroSTATICS is concerned, g stands for the acceleration due to gravity
I think it's the last one