Thursday, August 13, 2009

The Sun and Vitamin D

See how the Sun makes Vitamin D via "burning" our skin and how much sun bathing is enough. Read on......

http://www.cancer.org/docroot/ETO/content/ETO_5_3X_Vitamin_D.asp?sitearea=ETO
Posted by at

1 comment:

-Derrick- said...

Hi sir...keng chye here...well this question is not related to ur this post...but i just wanna ask..i'm not really sure with my assignment topic..can u explain it more clearly? thanks...

Kelaskan sumber-sumber pencemaran udara di atmosfera di Kuala Lumpur dan bincangkan punca-punca setiap kelas. Bagaimanakah pencemaran udara mempengaruhi iklim?(what kind of classes do u mean?)

August 23, 2009 at 9:06 AM

Post a Comment

Subscribe to: Post Comments (Atom)