Respuesta :
Answer:
B Radio waves
Explanation:
they can not pass through electrical conductors, such as water or metals. Above v = 40 MHz, radio waves form deep space that can penaerate Earths atmosphere
Answer:
B Radio waves
Explanation:
they can not pass through electrical conductors, such as water or metals. Above v = 40 MHz, radio waves form deep space that can penaerate Earths atmosphere