<span>Light may be produced by heating a substance until it glows. this process is called incandescence.</span>
The sun
Explanation:
The sun is the only star in the solar system. It is the center around which the known 8 planets and their planets revolves round giving an heliocentric system.
The solar system is but one of the systems in the milky-way galaxy.
The sun, our star provides energy for the whole solar system through a nuclear process occurring at its core.
- Nuclear fusion is the source of energy that the sun possesses.
- The process requires a very high activation energy in the presence of a high pressure and temperature to start up.
- During nuclear fusion, small atomic nuclei combines into larger ones with the release of a huge amount of energy.
- The energy released provides the needed heat to set up another fusion process. The process eventually degenerates into a series of chain reaction leading to the release of energy.
- This is what happens in the a star like the sun.
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Fungi are more closely related to animals than plants. Fungi are heterotrophic: they use complex organic compounds as sources of energy and carbon, not photosynthesis. The majority of fungi produce spores, which are defined as haploid cells that can undergo mitosis to form multicellular, haploid individuals.
I believe the answer is:
Lichens and mosses are non-vascular species.
I hope this helps! <3
Answer:
Option (A).
Explanation:
Muscle contraction may be defined as the physiological process of the activation of tension generating sites that occur within the muscle fibers. Actin, myosin, troponin and other proteins are important for muscle contraction.
The calcium ion is important for the muscle contraction. The binding of calcium with troponin causes the movement of tropomyosin out of the grooves between the actin molecules during muscle contraction.
Thus, the correct answer is option (A).