Which of the following electromagnetic waves is not used for communication?

all answers

1.A
2.C
3.B
4.C

100%

Gamma rays, hope this helps

9-9

cflec is 100% right

Gamma rays is correct. Their radiation is so high that they are dangerous to humans.

clefc is 100% correct

1.A
2.C
3.B
4.C

I would laugh if the answers were ACDC

no ones gonna get that referance

They can’t track your personal device like a cellphone so technically they can only track what your doing if your using THEYRE personal laptop

Im CCA student.. cflec is 100% right!

It doesn't matter if you cheat what matters is that you learn something, so even if you cheat, make sure you at least know how to do it. Or else you'll grow up and never know.

ACBC