Many farmers in less densely populated areas, such as amazonia, practice _______________, also known as shifting cultivation or swidden agriculture where an area is cleared and then burned for the vegetative remains to release nutrients back into the soil.

The answer is ‘Foliated rocks are metamorphic rocks (rocks that have ‘morphed’ into another type of rock due to being subjected to high temperatures and pressure over time) that are not foliated’ , that is, they have no appearance of layers/bands in their rock structure. Examples of non-foliated metamorphic rocks are marble and quartzite.

All nonfoliated metamorphic rocks are characterized by the absence of layering due to their equigranular, coarse crystal structure or monomineralic composition, as seen in rocks like marble and quartzite.

A characteristic of all nonfoliated metamorphic rocks is that they do not show layering. This lack of foliation can be due to different reasons. One reason is that they might contain only one type of mineral, such as marble composed of calcite, in which case the rock does not develop foliation even when subjected to differential pressure. This is because minerals like calcite, dolomite in dolostone, and quartz in quartz sandstones are not platy and do not exhibit a range of colors that can form foliation. When recrystallization occurs, these minerals form equigranular, coarse crystals that give the rocks a massive and structureless appearance with a few lines of impurities. Nonfoliated rocks also tend to break across mineral grains, producing a scaly surface. Marble and quartzite are examples of nonfoliated rocks, where marble is composed of calcite and will effervesce with acid, whereas quartzite is composed of quartz which does not react with acid. Due to their aesthetic and physical properties, nonfoliated rocks like marble and quartzite are often used for architectural purposes such as dimension stone in buildings and for making countertops and statues.

Answer: a on egd 2020

The answer is A) emulsified by bile salts

In order for the fat to be digested, the fat globules must be emulsified first by bile salts in the stomach.  By emulsifying we mean the breaking of globules of fat into much smaller emulsion droplets. The liver produces the bile salts which breakdowns fats into small droplets. The fat then is digested by lipase. 

When the northern hemisphere experiences autumn, the southern hemisphere experiences spring.

The winter solstice is around December 21, marking the date on which the Sun is lowest in the sky at noon and rises and sets farthest south. The day of the summer solstice is the longest day of the year, and the day of the winter solstice is the shortest day of the year.

Thus, the southern hemisphere experiences spring.

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The study of energy and its changing form is called thermodynamics. Thermodynamics is the branch of physical science that is concerned with conversions between heat and other forms of energy such as chemical, electrical or mechanical energy. Under thermodynamics, energy can be transferred from one place to another and from one form to another.

Acromegaly is the condition characterized by abnormal enlargement of the hands and feet, caused by an overproduction of growth hormone typically due to a pituitary tumor.

The condition known as acromegaly is characterized by the abnormal enlargement of the hands and feet. This occurs due to an overproduction of growth hormone, typically resulting from a noncancerous tumor in the pituitary gland. The excess hormone results in gradual enlargement of body parts, particularly the hands and feet, but also sometimes affects the facial features, causing changes in the jaw and nose.

Gigantism is a similar condition caused by pituitary tumors, but it occurs in children before the growth plates close, leading to proportional overgrowth of the entire skeleton. Myxedema and cretinism, on the other hand, are conditions related to thyroid dysfunction and do not result in enlarged hands and feet.

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The correct answer is C. Digging one large water hole. This method is not generally recommended for sustaining rangeland as it can lead to overuse and degradation of that specific area while leaving other areas underutilized. Limiting herd size, allowing vegetation to recover, and killing invasive plants are all accepted practices in rangeland management.

Rangelands are vast landscapes where natural vegetation is used for grazing and browsing by domestic and wild animals. Sustainable practices ensure the long-term health and productivity of these ecosystems. Limiting herd size helps prevent overgrazing. Allowing vegetation to recover is essential for preserving the soil and plant health. Killing invasive plants is vital for maintaining biodiversity by reducing competition against native species. In contrast, digging one large water hole can result in animals congregating in one area, leading to soil compaction, erosion, and degradation of vegetation around the water source, making this practice unsustainable for maintaining rangeland health.

Proteins are made up of amino acids that held together by covalent bonds.

A protein molecule is made of amino acids. Two amino acids are held together by covalent peptide bond that's why Proteins are also known as polypeptides.

So we can conclude that Proteins are made up of amino acids that held together by covalent bonds.

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Proteins are composed of amino acids linked together by peptide bonds. These bonds are formed through a process called dehydration synthesis. The variety of possible combinations of the 20 amino acids creates a diverse range of proteins with unique sizes, shapes, and functions.

Proteins are polymers of amino acids held together by peptide bonds. These are a special type of covalent bond that forms between the carboxylic acid group (COOH) of one amino acid and the amine group (NH2) of a different amino acid, through a process known as dehydration synthesis. In this reaction, a molecule of water is released, hence the term 'dehydration'.

This attachment forms the unique peptide bond (O=C-NH2), which is integral to creating a protein's structure. While smaller chains of less than around 100 amino acids are often referred to as polypeptides, longer, more complex chains form proteins.

The sequence and number of amino acids in a protein ultimately dictates its size, shape, and function. Every protein has a unique combination of blocks from the 20 different amino acids, contributing to the vast diversity of proteins present in human structure and function.

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The answer is;

Biosphere > Biome > Ecosystem > Community > Population > Organism >  Organ System > Organ > Tissue > Cell > Organelle > Molecule > Atom.

This is a clear representation of the complexity of life on earth. Over the course of evolution, abiotic elements developed into biotic elements then to unicellular organism and finally to complex multicultural organisms.

Answer:

b

Explanation:

because I know

Answer:

9

Explanation:

Answer:

The correct answer will be option-B

Explanation:

A microscope is an optical instrument used to see the microscopic bodies which could be a living or a non-living thing. If handled carefully, the microscope can work for 30-35 years.

The precaution that must be taken care off while moving a microscope from one position to another is that holds the microscope with both the hands with one hand holding the neck portion of the microscope while another hand at the base of the microscope which provides support.

Thus, Option-B is the correct answer.

Answer:

The answer is actually A) base and neck

Explanation:

Here's why: The proper way to hold and carry a light microscope is to hold the base and neck. Most of the other parts are very sensitive and can easily be damaged.

Complementary medicine refers to non-mainstream practices used along with conventional medical treatments, whereas alternative medicine refers to those used in place of conventional treatments. Integrative health care combines both conventional and complementary medicine in a coordinated approach.

The term that describes health approaches that are outside the realm of traditional Western medicine but are used in conjunction with conventional treatments is complementary medicine. Complementary and alternative medicine (CAM) encompasses a variety of healing practices and products that are not typically part of conventional treatments. When these practices are used alongside standard medical care, they are referred to as complementary; when used in place of conventional medicine, they are called alternative. Integrative health care brings together both conventional and complementary approaches in a coordinated way to enhance patient care.

When hormone levels are consistently high, the number of receptors for that hormone on the target cells tends to decrease, and this process is known as "downregulation."

When hormone levels are consistently high, the number of receptors for that hormone on the target cells tends to decrease. This is due to a process called downregulation, in which the cell responds to the high level of hormone by reducing the number of receptors available to bind with it. This is an adaptive mechanism that helps prevent the cell from becoming overstimulated or desensitized to the hormone's effects. Downregulation of hormone receptors can occur in response to a variety of factors, including chronic stress, prolonged use of medications that affect hormone levels, and certain medical conditions.

Hence, when hormone levels are consistently high, the number of receptors for that hormone on the target cells tends to decrease. This process is known as downregulation.

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Sperm develops from stem cells called spermatogonia. These sperm cells mature in the seminiferous tubules in the testes, progressing through stages of spermatogenesis to eventually form fully developed sperm.

Sperm cells develop from stem cells called spermatogonia. This process, called spermatogenesis, involves spermatogonia dividing to produce primary spermatocytes, which further differentiate into secondary spermatocytes, then spermatids, and finally, fully formed sperm. Located in the seminiferous tubules in the testes, spermatogonia, as the least mature form of the cells, are capable of differentiating into a variety of different cell types throughout adulthood.

As illustrated in typical examples of spermatogenesis, the most primitive cells are located at the periphery of the seminiferous tubule, with the most mature sperm found in the lumen of the tube. The presence and activity of these stem cells are triggered by gonadotropic hormones during adolescence, continuing the production of viable sperm into old age.

Intermixed with the developing sperm cells are Sertoli cells, which provide support and protection for germ cells, and interstitial cells of Leydig, which produce high levels of testosterone once the male reaches adolescence. These elements combine to create a comprehensive and fascinating process through which sperm form from spermatogonia stem cells.

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The dark pigmentation in a central nervous system tissue sample likely indicates that the sample is from the substantia nigra, an area rich in neuromelanin-pigmented neurons.

The presence of darkly pigmented cells in a tissue sample from the central nervous system most likely indicates that the tissue came from the substantia nigra. This area, found in the midbrain, is abundant with neurons that produce a pigment called neuromelanin, giving them a dark appearance. As part of the basal ganglia, the substantia nigra plays a crucial role in reward, addiction, and movement - notably, it's the region greatly affected in Parkinson's disease, where there's a significant loss of pigmented neurons.

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