Answer: Carbon-14
Explanation: Scientists have determined that some of these mammoths died nearly 40,000 years ago using a technique called radiocarbon (Carbon-14) dating.
The basic idea is that the solar energy passes through a layer of glazed glass where it is absorbed by the underlying material. the solar energy excites the molecules in the underlying material resulting in heat. the glazing of the glass prevents the heat from escaping. thereby effectively capturing the heat.
The answer is that the food is rich in calcium and vitamin
D. ca2+ ions is deposited in the bone matrix as calcium phosphate crystals and
are <span>what</span> calcify the bone and give it its
physical strength. This prevents osteoporosis and hence reduces the
susceptibility to bone fractures. Vitamin D is significant in the <span>differentiation</span> of <span> </span>hypertrophic chondrocytes and calcification
processes.
(D) Prosthesis
Explanation:
A prosthesis is a term for a device that replaces a missing body part. A prosthesis is an artificial body part used in place of a missing one.
- They can be mechanical or electronic or both.
- Prosthesis are attached as appendages to body part to replace them.
- Although a perfect fit might not be achieved but they generally help to configure back a lost body part.
- The intention of prosthesis is to restore a body part.
- The emerging field of robotic science is revamping the use of prosthesis.
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