Answer:
Sunlight
Explanation:
Plants and other organisms that use photosynthesis undergo this process to convert useable energy from sunlight into nutrition for themselves, as well as releasing oxygen.
<span>Vitamin D.
Vitamin D is made from 7-dehydrocholesterol and needs UV light in order to be activated. Because the children are not exposed to sunlight, they are receiving insufficient UV light.</span>
HI i was wondering 1 what engineer choice you are going for and two if this is what you mean. study hard to to bed early and make class . (im saying this becasue i have done it before :])
I think it is D I’m not sure
