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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20. What is the difference between adaptation and evolution?

Artemon [7]

Answer:

Adaptation is the process of adjusting something to better match its environment or situation. Evolution is a broad term that refers to any change in anything over time.

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3 years ago

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Fungi are comply grouped into which two categories

hoa [83]

Answer:

Fungi can be divided into two broad groups, called ascomycetes and basidiomycetes, depending on how their sexual spores are formed.

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3 years ago

_____ act as signals or markers to help cells recognize one another.

Varvara68 [4.7K]

Explanation:

-Carbohydrates act as signals or markers to help cells recognize one another.

Carbohydrates are organic macromolecules with a range of functions within organisms. They may act as energy storage, structural support, and signal molecules. Together with transmembrane proteins embedded within the membrane from the extracellular fluid to the cytoplasm, they form glycoproteins (proteins attached to carbohydrates) which function as cell surface markers .

Further Explanation:

Carbon, is the backbone of all biological life on Earth. It contains 6 electrons, with 4 on its valence shell, and thus, readily forms covalent bonds with other elements. Covalent bonding involves the sharing of electrons; in nature, this occurs with hydrogen,oxygen, nitrogen, and phosphorus as highly flexible single bonds capable of rotation; rigid, non-rotating double; and very strong triple bonds. Carbon compounds form rings, and long branched chains- thus, carbon can form macromolecules in nature.

In nature, organic compounds may be large chains of monomers form biological macromolecules which carry out many essential functions in the body. These can include nucleic acids, carbohydrates, proteins and lipids. These are organic molecules, meaning they're ringed or long-chain Carbons bonded to the elements oxygen (O), hydrogen (H), nitrogen (N) and phosphorus (P); they are found in essential organic biomolecules include, proteins, nucleic acids, lipids and carbohydrates.

Carbohydrates function to supply energy and support molecules they consist of mainly sugars or starches in long chains and rings to form monosaccharide monomers. They include monosaccharides, disaccharides and polysaccharides which describes the type of bonding and the degree of complexity of the polymers. Basic makeup: C, H, O -with many polar OH groups

Learn more on proteins and carbohydrates at brainly.com/question/10744528

Learn more on membrane components at brainly.com/question/1971706

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4 years ago

A fox and an owl both eat forest mice. Which type of relationship does the fox have with the owl?

Irina-Kira [14]

Answer:

The answer is competition.

Explanation:

Competition is a type of relationship where a negative interaction occurs among organisms whenever two or more organisms require the same limited resource.

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3 years ago

Nestor is in the middle of a fantastic dream. what is his body doing? acting out the movements of his dream twitching uncontroll

Softa [21]

Nothing is likely taking place. During REM sleep, which is when dreaming usually takes place, the body is usually in a still state, with eye-twitching as the only movement that is experienced. The body usually does not do anything to "act out" the movements experienced in the dreams.

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