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kolbaska11 [484]
3 years ago
12

Earth has a great variety of surface features that are caused by weathering and erosion. Which of the following describes a chan

ge due only to weathering?
Biology
1 answer:
Sidana [21]3 years ago
4 0

Answer:

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.

 

Weathering and erosion constantly change the rocky landscape of Earth.

Explanation:

HOPE IT HELPS. PLS MARK AS BRAINLIEST

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8. At the 5th trophic level would be ___ consumers that eat ___ consumers. I need to fill in the blanks.​
sattari [20]

Answer:

At the 5th trophic level would be <em>quaternary</em> consumers that eat <em>tertiary </em>consumers.

Explanation:

Producers include photosynthetic organisms such as plants and algae.  They are eaten by primary consumers (herbivores).  Secondary consumers include omnivores and predators that prey on primary consumers.  Tertiary consumers include omnivores and predators that prey on primary and secondary consumers.  Quaternary consumers include omnivores and predators that prey on all lower trophic levels.

4 0
2 years ago
Starting with the smallest level of ecological organization and moving toward the highest, the order should go organism, _______
dezoksy [38]

Answer: population, community, ecosystem and biosphere

Explanation:

In ecological organization, the smallest level is Organism level (a unit representative).

Population level comes next after the Organism level. Population refers to the total number of organisms of the same species inhabiting a geographical area.

Then, Community level comes next after population level. A refers to group of plants, animals and other living components functioning in their non-living environment.

Ecosystem level is the next after community level. An ecosystem refers to the aggregate of living organisms interacting with the non-living components in an environment.

Lastly, Biosphere is the highest level in ecological organization. Biosphere refers to the part of the earth where living organisms occupies.

5 0
3 years ago
Read 2 more answers
The ability to sustain aerobic activity for prolonged period of time? muscular strength muscular endurance flexibility cardiores
Luda [366]

The ability to sustain aerobic activity for a prolonged period of time is known as cardiorespiratory fitness.

Cardiorespiratory fitness or endurance refers to the ability of the circulatory as well as respiratory systems of the body to provide fuel or power during sustained aerobic activity.

In order to enhance one's cardiorespiratory fitness, physical activities which maintain heart rate elevations at a safe level for a sustained length of time, like walking, running, cycling, etc. need to be attempted.

The cardiorespiratory fitness is linked with the functioning of heart, lungs as well as blood vessels. However, one should slowly increase the pace when performing such activities.

To learn more about cardiorespiratory fitness here

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5 0
1 year ago
Name one abiotic and one biotic factor present in coral reefs
photoshop1234 [79]

Answer:

Additionally, fish, aquatic plants, and other organisms living in and around the reef would be considered biotic factors. Abiotic factors of a coral reef would include the water surrounding the reef, rocks, pebbles, or sand, and the calcium carbonate "skeleton" of the coral.

Explanation:

3 0
3 years ago
In the Cori cycle, when glucose is degraded by glycolysis to lactate in muscle, the lactate is excreted into the blood and retur
saveliy_v [14]

Answer and explanation:

Glycolysis and gluconeogenesis are metabolic pathways of great importance in the regulation of glycemia (glucose levels in the blood).

While glycolysis, a catabolic pathway that occurs when the glucose levels are high and is used to generate energy inside our cells; gluconeogenesis, an anabolic pathway, happens because glucose levels aren't high enough for our tissues to perform their energy-demanding tasks.

Glycolysis is stimulated by <u>insulin</u> and transforms 1 glucose molecule into 2 pyruvate molecules, which can then be further metabolized to produce ATP. Gluconeogenesis does the opposite: being stimulated by <u>glucagon and epinephrine</u>, it converts pyruvate molecules into glucose molecules to elevate glycemia.

Partaking in antagonizing pathways, glycolysis and gluconeogenesis appear to be the exact reverse pathway for one another, except for a few specific enzymes that are unique to each one of them.

a. glyceraldehyde 3-phosphate dehydrogenase - both pathways. This enzyme catalyzes the conversion of glyceraldehyde 3-phosphate into 1, 2 biphosphoglycerate, and backward.

b. phosphofructokinase-1 - glycolysis. This kinase phosphorylates (adds a phosphate group) fructose 6-phosphate into fructose 1, 6 biphosphate. In gluconeogenesis, the opposite reaction occurs thanks to the fructose 1, 6 biphosphatase (which removes a phosphate group from fructose 1, 6 biphosphate).

c. phosphoenolpyruvate (PEP) carboxykinase - gluconeogenesis. In glycolysis, phosphoenolpyruvate is transformed to pyruvate in one single reaction, catalyzed by enzyme pyruvate kinase. But in gluconeogenesis, pyruvate needs first to be converted into oxalacetate by the pyruvate carboxylase, so can then be transformed into phosphoenolpyruvate by the PEP carboxykinase.

d. alcohol dehydrogenase - neither pathway. Alcohol dehydrogenase is an enzyme that can be found in Ethanol metabolism, catalyzing the forming of acetaldehyde from an ethanol molecule.

5 0
3 years ago
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