Answer:
option C (1 and 4)
Explanation:
Like poles repel each other, unlike poles attract each other
Answer:
true
Explanation:
as long as you are interested, you are happy
Psychology on Egenuity Oct 5th 2018 says answer is C
Yes it is possible. Spectrum of emitted light depends upon the chemical composition of the source. and the way of its excitation. a clear example to us is that of sun.