Answer:
A. synthesis of vitamin C.
Explanation:
Integumentary system refers to the skin and its appendages. So it doesn't have the role to synthesis vitamin C, but it can synthesis vitamin D through exposure to UV light. The major role of integumentary system is protective role (immuno defense-from infections, dehydration, temperature changes, protection of underlying tissue etc). It also contains many receptors (for pain, touch, temperature change) that detect environmental changes.
Answer:
Hotspot.
Explanation:
hot spots are volcanic regions thought to be fed by underlying mantle that is anomalously hot compared with the surrounding mantle. Their position on the Earth's surface is independent of tectonic plate boundaries.
Yo that’s dark. Like dark.
Cancerous cells go through interphase so fast, that they are constantly multiplying in mitosis.
