How does nuclear fusion within stars provide energy to the Earth?

1 answer:

3 0

The simple answer is that deep inside the core of the Sun, enough protons can collide into each other with enough speed that they stick together to form a helium nucleus and generate a tremendous amount of energy at the same time. This process is called nuclear fusion.

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N ________ a single sperm cell from the man is injected using a microscopic needle, directly into each harvested egg from the wo

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Microinjection is a simple mechanical process usually involving an inverted microscope with a magnification power of around 200x (though sometimes it is performed using a dissecting stereo microscope at 40–50x or a traditional compound upright microscope at similar power to an inverted model).

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2 years ago

Which term best describes the temperature and weather conditions of an organism’s environment? biotic factors abiotic factors na

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Answer:

according to me the answer is abiotic factor

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2 years ago

Choose all the answers that apply.

nekit [7.7K]

Answer:

carry thousands of genes

Explanation:

Genes are contained in chromosomes, which are in the cell nucleus. A chromosome contains hundreds to thousands of genes. Every normal human cell contains 23 pairs of chromosomes, for a total of 46 chromosomes. Some traits are caused by mutated genes that are inherited or that are the result of a new gene mutation.

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2 years ago

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Some algae demonstrate the phenomenon of alternation of generations, in which a multicellular, diploid, spore-producing organism

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Answer:

Option c. Only the haploid organism may also reproduce asexually.

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It is scientifically approved that algae and fungi are able to form true asexual spores. This process of spore formation involves mitosis and resultant spore is called mito-spore which develop into new offspring.

Reference: Smith, B. A., and DANIEL D. Burke. "Evidence for the presence of messenger ribonucleic acid in Allomyces macrogynus mitospores." Journal of bacteriology 138.2 (1979): 535-541.

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Which of the following is an example of osmosis?

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It’s the first one because osmosis is always about the movement of water

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