Answer: Carbon is the basis for the organic molecules that constitute life because it can form multiple strong bonds with itself and with other elements.
Explanation:
Answer:
i dont understand what do you mean. theres a spelling mistake
Explanation:
The UV is needed by the skin to make previtamin D3. Previtamin D3 or cholecalciferol made from the skin will be changed in the liver into 25- hydroxyvitamin D3 and then sent to the kidney to be changed into 1,25- dihydroxyvitamin D3. The last change in the kidney will active the vitamin D. Vitamin D has a role in the calcium absorption which was will strengthen the bone tissue.
The correct answer is the last option: all of the above. The ethical concerns regarding genetic engineering are the privacy of the genetically tested individuals, the unnatural and potentially dangerous organisms being created, and the long-term effects of genetically engineered foods.