Energy from the sun comes from fusion. What happens during that reaction? Question 28 options: A.Hydrogen turns into helium. B.Helium turns into hydrogen. C. Oxygen turns into carbon dioxide. D.Carbon dioxide turns into oxygen

Final answer:

The epiglottis is the structure that prevents food and liquids from entering the trachea. It is a flap of tissue that blocks the entrance to the trachea when you swallow. The larynx, glottis, and vestibular folds are part of the throat but do not prevent food and liquid from entering the trachea.

Explanation:

The structure that prevents food and liquids from entering the trachea is the epiglottis. The epiglottis is a flap of tissue that sits at the base of the tongue. When you swallow, this flap blocks the entrance to the trachea, directing food and liquids down the esophagus and into the stomach, rather than into your lungs. The larynx, glottis, and vestibular folds are also part of the throat anatomy, but they do not have the primary function of preventing food and liquid from entering the trachea.

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Answer;

-the continental shelf, slope, and trenches;

The continental shelf, slope, and trenches are the structures on the ocean that are equivalent to the mountains on land.

Explanation;

-Continental shelf is that shallow part of the ocean floor that begins at the shoreline and gently slopes underwater to an average depth of about 430 feet. It is normally covered with thick layers of sediment.

-Continental slope begins at the edge of the continental shelf and plunges down to depths of over two miles and are covered with thick layers of sand, mud and continental shelf.

-Ocean trenches are very deep and similar to canyons on land.

Answer:

The correct answer would be d. all of the above.

There are three basic functions of the U.S. Fish and Wildlife Service:

• It assists the application and development of the organization which supervise or take care of environmental ethic for the society. It is based on the scientific knowledge (about wildlife and fish), ecological principles, and moral responsibility.
• It guides the development, management, and conservation of resources of fish and wildlife of the nation.
• It administers the national program to provide opportunities to people to understand, appreciate, and use wisely the fish and wildlife resources.

Thus, they not only protects fish but also other wildlife species and their natural habitats.

Answer: The correct answer is -

b. The RNA transcript is complimentary to the DNA from which it is transcribed. Instead of thymine, it has uracil, which complements the adenine of DNA.

Explanation:

Transcription is a process of formation of mRNA (messenger RNA) from DNA. During this process, RNA polymerase enzyme uses the template DNA strand and adds the nucleotides (in mRNA in the 5' to 3' direction) complimentary to this. It adds uracil in the mRNA transcript for adenine in rhe DNA template. Similarly, for guanine in the DNA, cytosine is added.

Thus, option b) is the right answer.