The answer is vitamin D. This is actually a group of vitamins of similar molecular structure responsible for facilitating increased absorption of calcium, magnesium and phosphate from the gut. The most important of the vitamin D compounds are vitamin D3 and D2. While vitamin D can be obtained from your diet and supplements, the major source of vitamin D is from a chemical reaction dependent on skin exposure to the sun.
I believe your answer would be ecological succession
1. D) ball and socket
2. B) finger and elbow
3. B) hypodermis, dermis, epidermis
4. C) sunscreen
5. D) two bones meeting at a joint
Answer:
A set of practices that humans can follow to meet their needs without causing long-term, negative effects on species or ecosystems.
Explanation:
Sustainability means "the ability to be maintained at a certain rate or level." So sustainability is the ability for humans to meet their needs, while also maintaining the ecosystem and different species at the same rate and level.
Answer:
according to your question the answer I end up getting is A=4 but it doesnt
seem to be an option
Explanation:
maybe you typed it in wrong but it should be 4
sorry if this does not help
