I have no idea but if anyone is seeing this PLEASE ANSWER MY WUESTIONS ON MY PAGE i will give you the brainliest
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.
Answer:
penicillin could protect mice against infection from deadly Streptococci.
Explanation:
Answer:
6s
Explanation:
Barium is in group 2 of the s block and is in period 6.
