Test
Untitled_1
Preguntas del test (5)
1Non ionising...
- AGamma ray
- BInfrared
2Why are mobiles bad.
- AThey create a heating effect on the brain
- BThey dont look very nice.
33 ionising
- AGamma, xray, ifrared.
- BGamma, xray, uv
- CGamma, radio, uv
4What does ionisation mean.
- AThe process in which an electron is knocked of an atom creating an ion.
- BThe process in which a nucleus is knocked from a cell to create an ion
5Why is uv bad.
- AIt causes skin cancer.
- BIt causes vitamin D to be produced in the body.
- CIt can give SAD
Información
- Descripción
- Test sobre Untitled_1, creado por Jadee Badham el 27/04/2013.
- Autor
- Jadee Badham
- Idioma
- English
- Visitas
- 36
- Valoración
- Aún sin valoraciones Valora este test