Describe the flow of a river from beginning to the end

1 answer:

8 0

The flow of a river from the beginning is called the headwater, as its where the water is coming from. Springs are warmer water spots in a big or little space of water. Confluence is when two rivers connect into one. Tributaries are caused when rivers flow out into a larger river or lake. The mouth of the river flows from a larger source into a smaller one, commonly a stream or river.

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What is the amino acid sequence of the following mutation<br> ATT-GAG-CAG-TCA-AAA-TCC-G

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Answer:

TAA-CTC-GTC-AGT-TTT-AGG-C

Explanation:

A=T

C=G

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Which correctly compares how coal and natural gas are formed?

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Natural gas made due to pressure and under buried layers of rock over millions of years ago

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Solid sodium reacts with liquid water to form hydrogen gas according to the equation 2 Na(s) + 2 H₂O(l) → 2 NaOH(aq) + H₂(g) Wha

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Answer: 21850.42mmHg or 28.78atm

Explanation: From the equation of the reaction, 2 moles of sodium reacts with 2 moles of water to produce 2 moles of NaoH and 1 mole of hydrogen gas at s.t.p.

molar volume of gas at s.t.p. = 22.4dm^3,

standard temperature = 0°C or 273K,

standard pressure = 760mmHg or 1atm,

molar mass of Na = 23g;

volume of the container= 20L or 20dm^3

From the equation, 2 moles or 46g of Na produces i mole or 22.4 dm^3 of hydrogen.

Therefore, 1kg or 1000g of Na will produce 22.4 * 1000/(46)= 486dm^3 of hydrogen.

To find the pressure of the gas produced, the formula P1V1/T1 = P2V2/T2

P1= 760mmHg, T1= 273K, V1 (initial volume of gas)= 486dm^3, T2=50.0°C or 50+273K= 323K, V2( final volume of gas= volume of vessel)=20dm^3 P2=?

P1= P1V1*T2/(V2T1)= 760mmHg * 323/(273)= 21850.42mmHg or 1atm*21850.42/760= 28.78atm

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When the body experiences a significant blood loss, the ________ produces the hormone erythropoietin to stimulate the production

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Answer: Kidney

Explanation: The Kidneys produce the hormone in response to cellular hypoxia due to loss of blood.

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“lord randall” is an example of a ballad whose structure is

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“Lord Randall” is a Scottish ballad in the form of a narrative song. A narrative song is a song that depicts or tells a story. A ballad is unique for it directly tells a story and emphasizes climactic incidents. It strips away those details which are not important to the plot. The story of “Lord Randall” narrates about a man who has been poisoned by his lover. The story does not tell about the incident’s background nor is the audience aware why the man has been poisoned. The story just shows the man revealing that he has been poisoned, his statement of his last will and testament, and his curse on the lover who planned to kill him. The technique shown in this story is what we call the incremental repetition. The incremental repetition is usually observed in poetry of oral tradition wherein a line is repeated in a changed context or with minor changes in the repeated part.

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