Ummm.. Mommy, the Sun gives us Vitamin D… in our skin!
That’s correct, dear! You are such a clever boy! How do you know?
Channel 552, Tryscience, mommy!
Ummm.. Mommy, the Sun gives us Vitamin D… in our skin!
That’s correct, dear! You are such a clever boy! How do you know?
Channel 552, Tryscience, mommy!