Answer:
It travel's about 4,000 km through the Earth in 13 minutes.
Answer:
copper wire, metal nail, battery
Explanation:
To create an electromagnet, the material to be magnetized (such as a metal nail) is placed inside a solenoid, the ends of the coils are connected to a circuit that includes a battery.
Current is allowed to flow for a few seconds and then cut off. The polarity of the magnet depends on the direction of flow of current in the solenoid.
<span>when temperature varies:
volume & temperature vary directly @ constant pressure,... Charles' law
pressure & temperature vary directly @ constant volume,... Gay-Lussac's law
when temp is consatnt:
Pressure & volume vary inversely , ...Boyle's law
Hope This Helped! :3</span>
Answer:
Co
H20 somewhat ionic as well as covalent
SO2 is covalent
K2O is ionic
O2 ionic with somewhat covalent bonds