miaf3503 miaf3503
  • 26-04-2017
  • Chemistry
contestada

Zinc oxide helps protect the lifeguards from damaging UV sunlight. How does this cream protect from the UV rays of the Sun?

Respuesta :

algaustad
algaustad algaustad
  • 26-04-2017
it reflects sunlight.  It's a physical barrier (in comparison to some sunscreens which are chemical blocks).  Sunlight is mostly white light and zinc oxide reflects white light
Answer Link

Otras preguntas

What is the greatest common algebraic factor of the terms 13a^2 bn and 11ma^2x?
Answer fast please and thank you
if m is 7 and x is 7 so what is m​
Which is a complete sentence? An email from my friend in Italy. Mr. Peterson's collection of maps and globes. No one lives on that small island.
find the value of x. A. 9 B. 12 C. 24 D. 117
arrange the following fractions in order from least to greatest. 5/8,11/18,7/12,5/9
" dean found cas in purgatory" change it into passive voice​
_________ are money that a business spends on supplies, workers, services, etc. in order to operate. Profits Assets Expenses Capital
(-4, 6) and (3, -7) what’s the distance between them
What is the difference between a bird flying 20 feet above the water and a fish swimming 10 feet underwater?​