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marusya05 [52]
2 years ago
8

B. How does weathering affect Earth's surface?

Biology
1 answer:
Harman [31]2 years ago
3 0

Answer:

Weathering and erosion constantly change the rocky landscape of Earth. Weathering wears away exposed surfaces over time. The length of exposure often contributes to how vulnerable a rock is to weathering. Rocks, such as lavas, that are quickly buried beneath other rocks are less vulnerable to weathering and erosion than rocks that are exposed to agents such as wind and water.

Explanation:

Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. Once a rock has been broken down, a process called erosion transports the bits of rock and mineral away. No rock on Earth is hard enough to resist the forces of weathering and erosion. Together, these processes carved landmarks such as the Grand Canyon, in the U.S. state of Arizona. This massive canyon is 446 kilometers (277 miles) long, as much as 29 kilometers (18 miles) wide, and 1,600 meters (1 mile) deep.

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Hemoglobin buffers the pH of the cytosol of RBC by combining with ______ions.
jarptica [38.1K]

Answer:

H+

Explanation:

Hemoglobin is the major protein of red blood cells. It has many exposed amino groups and carboxylic groups at its surface. These NH3 and COOH groups serve as weak acids and bases respectively and allow hemoglobin to serve as a buffer to maintain the pH of the RBC cytoplasm.

As the exposed amino groups of hemoglobin protein bind to the H+ ions, the free H+ concentration of the cytoplasm of RBC is reduced leading to a buffer action to maintain the pH.

6 0
3 years ago
What specific changes in rachel’s muscle cells and kidney function are leading to elevated plasma k levels?
tensa zangetsu [6.8K]

Intracellular Potassium Shifts and Impaired Potassium Excretion leads to elevated plasma K levels.

What is Hyperkalemia?

  • Hyperkalemia, a potentially lethal condition, develops when serum potassium levels rise above 5.5 mmol/l.
  • Potassium is the most common intracellular cation and is crucial for many physiological functions, at a concentration of 100-150 mmol/l. The digestive system quickly and usually fully absorbs potassium.

Causes:

  • Increased Potassium intake: In adult patients with normal renal function, increased dietary potassium intake is a very rare cause of hyperkalemia, but it can be a significant factor in people with kidney disease.
  • Intracellular Potassium Shifts: Large amounts of intracellular potassium can be released into the extracellular area as a result of cellular damage. Excessive activity, rhabdomyolysis after a crush injury, or other hemolytic processes can all be to responsible for this. 
  • Impaired Potassium Excretion: The most frequent cause of hyperkalemia is acute or chronic renal disease. Hyperkalemia may also result from tubular dysfunction brought on by aldosterone insufficiency or insensitivity.

Learn more about the Hyperkalemia with the help of the given link:

brainly.com/question/8920601

#SPJ4

5 0
1 year ago
Which of the five cerebral lobes is the one not visible on the surface of the brain?
victus00 [196]
The answer your looking for is the insula. Hope this helps.
3 0
3 years ago
Which of the following instruments focuses light through two lenses at once to magnify a cell?
Archy [21]

Answer:

the first one is correct

Explanation:

:)

The compound light microscope is the most commonly used type of microscope. It uses lenses and light to magnify and view images.

5 0
2 years ago
Read 2 more answers
If a corn plant has a genotype SsTt, what are the possible genetic combinations that could be present in a single grain of polle
ruslelena [56]
The last answer is what I am thinking is correct

6 0
3 years ago
Read 2 more answers
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