There is no fundamental difference between visible light and invisible light such as radio waves and X rays. They are all electromagnetic waves that differ in only one way: their wavelength.

5 0

3 years ago

Of the following models of education, which one is more in use than all of the other models combined?

arlik [135]

Answer : Eclectic or traditional

3 0

3 years ago

Is there any way to tell the gender of a baby who has not yet been born before the mother has given birth? And is there any way

Lena [83]

By 18 weeks an ultrasound technician will most likely be able to identify the sex of the baby

6 0

3 years ago

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