Magma that cools and crystallizes on Earth's surface forms A. marble. B. intrusive rocks. C. extrusive rocks. D. quartz.
Magma that cools and crystallizes on Earth's surface forms extrusive rocks, which are characterized by their fine-grained or glassy textures due to rapid cooling. These are different from intrusive igneous rocks which cool slowly, allowing larger crystals to form.
Magma that cools and crystallizes on Earth's surface forms C. extrusive rocks. These rocks are typically formed from lava that has been extruded onto the Earth's surface from volancoes or fissures. As this material, known as lava, cools rapidly in the air or water, it solidifies quickly compared to magma that remains underground. The rapid cooling process does not allow large crystals to form, and as a result, extrusive igneous rocks such as basalt and rhyolite often have very fine-grained or even glassy textures.
Intrusive igneous rocks, on the other hand, form when magma cools and crystallizes slowly beneath the Earth's surface, leading to the formation of rocks with larger, visible crystals, like granite. Due to their slower cooling process, the crystals have more time to grow.
Thus, the correct answer to your question is: Magma that cools and crystallizes on Earth's surface forms C. extrusive rocks.
The body naturally relaxes between 12:00-1:00 a.m. and 4:00-5:00 a.m. This is referred to as our ___________________.
Sleep schedule
REM cycle
Celestial pattern
Circadian rhythm
Circadian rhythm regulates our body's sleep-wake cycle, influenced by various factors and characterized by different sleep stages. It plays a crucial role in maintaining overall health and well-being.
Circadian rhythm refers to our body's natural cycle of rest and activity, influenced by exposure to sunlight, daily schedule, and biological changes like body temperature fluctuations. This rhythm includes changes in body temperature, blood pressure, and blood sugar.
During a typical night, our sleep cycles move between REM and non-REM sleep stages, with each cycle lasting about 90 minutes. REM sleep, characterized by rapid eye movement and dreaming, constitutes about 25% of total sleep time.
In a healthy circadian rhythm, it is recommended to go to bed between 9:00 and 11:00 p.m. and wake up early in the morning or around midmorning to align with the body's natural relaxation periods.
Which instruments do volcanologists use to predict volcanic eruptions
List 3 heavenly bodies that were discovered using radio waves
The 3 heavenly bodies that were discovered using radio waves are pulsars, quasars, and cosmic microwave background radiation.
Pulsars are rotating neutron stars that emit beams of radio waves. They were first discovered in 1967 by Jocelyn Bell Burnell, a graduate student at the University of Cambridge.
Quasars are extremely bright objects that emit large amounts of energy from their central regions. They are thought to be powered by supermassive black holes. Quasars were first discovered in 1963 by astronomer Maarten Schmidt.
The cosmic microwave background radiation is a faint afterglow from the Big Bang. It was first discovered in 1965 by Arno Penzias and Robert Wilson.
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Radio waves have helped astronomers discover cosmic radio sources such as the Milky Way Galaxy and Jupiter, while also assisting in radar observations of the solar system.
Explanation:The three heavenly bodies that were discovered using radio waves are:
The Milky Way Galaxy: Karl G. Jansky discovered the first source of cosmic radio waves from the Milky Way Galaxy.Jupiter: Later observations showed that the radio waves are coming from a region surrounding Jupiter, indicating charged atomic particles spiraling around a magnetic field associated with the planet.Solar System Objects: Radar observations have been used to determine distances to planets, measure how fast objects are moving, and investigate the surfaces of Mercury, Venus, Mars, and the large moons of Jupiter.Learn more about Heavenly Bodies Discovered Using Radio Waves here:https://brainly.com/question/9121218
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a mirror will reflect A. all wave lengths of visible light that will shine on it B. Some wavelengths of visible light that will shine on it C. None of the wavelengths of visable light that will shine on it D. Only the visible light that slows down enough to be reflected.
A mirror will reflect B. Some wavelengths of visible light that will shine on it. Every matter absorbs light in certain wavelength. The wavelength is absorbed by the molecules that make up the matter. The wavelengths of light that do not get absorbed are reflected back. As with mirror, it has a narrow absorption band for the wavelengths of light in visible spectrum (graph shows that silver mirror has 85% reflectance in the visible spectrum). Hence it appears to us that all of the visible light gets reflected.
A. All wavelengths of visible light that will shine on it.
When light waves hit a smooth, shiny surface like a mirror, they bounce off in a predictable manner. This process is called specular reflection. Mirrors are designed to reflect all wavelengths of visible light that hit their surface, maintaining the colors and intensity of the reflected light.
This property allows mirrors to create accurate reflections of the objects and scenes in front of them. Unlike some surfaces that may absorb certain wavelengths and reflect others, a mirror reflects almost all incident visible light wavelengths, which is why it can show a clear and true-to-color image of its surroundings.
Consumption of 10 mcg of folate as cooked spinach and 10 mcg folic acid supplement
a. results in _____ mcg dfe.
If someone consume 10 mcg of folate as cooked spinach and 10 mcg folic acid supplement then it results in 23.4mcg dfe as 1mcg of folic acid/ folate is equals to 1.67 mcg dfe.
What is Folic acid?Folic acid is also known as Folate. it is a type of vitamin known as vitamin B9 or folacin. It is the water soluble vitamin. Its chemical formula is [tex]C_{9}H_{9}N_{7}O_{6}[/tex].
It helps the body to make red blood cells. It is present in certain foods. It is necessary in women for who are pregnant if not taken in proper amount it can cause major birth defects of a babies brain or spine.
It helps to form DNA and RNA and it is also involved in protein metabolism. It plays a role in breaking down of homocysteine which is the type of amino acid that can exert harmful effects in the blood if it is present in the body in high amount.
The RDA for folate is in micrograms of dietary folate equivalents (DFE). Men and women ages 19 years and older should aim for 400 mcg DFE. 1 mcg dfe is equal to 0.6 MCG of Folic acid.
Foods with Folic acid include leafy green vegetables, fruits, dried beans, peas, nuts and other green products.
Its deficiency can include megaloblastic anemia which arises due to lack of folate in the diet that produces less RBC and larger in size than normal.
Thus, if someone consume 10 mcg of folate as cooked spinach and 10 mcg folic acid supplement then it results in 23.4mcg dfe as 1mcg of folic acid/ folate is equals to 1.67 mcg dfe.
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Why is
e. coli such a convenient host cell for transformation in biotechnology?
How did the work of hershey and chase contribute to the model of dna as the genetic material?
What is advantage of genetic engineering compared to artificial selection?
An advantage of an alimentary canal over a gastrovascular cavity is that the alimentary canal _____.
What advantages might a multicellular alga have over a swimming single-celled one?
The advantages of seeds, compared to spores, include ________.
A cancer treatment that kills unwanted cells with drugs is called _____.
metastasis
radiation
chemotherapy
surgery
Answer: Chemotherapy
Scientists take lots of time before removing a tumor. It is a process that involves many steps. If they find the tumor, they remove it with surgery. Doctors use radiation therapy to break the tumor apart using radiation beams. With Chemotherapy doctors use drugs to infect/poison the tumor.
When preparing food, it is especially important to keep _______________ out of the danger zone because bacteria can grow rapidly?
Perishable foods should be kept out of the 'danger zone' of 40°F and 140°F, where bacteria can grow quickly. This is crucial in food preparation to maintain food safety and prevent foodborne illnesses.
Explanation:When preparing food, it is especially important to keep perishable foods out of the danger zone because bacteria can grow rapidly. The 'danger zone' is the temperature range in which bacteria can grow, typically between 40°F and 140°F (4°C and 60°C). Perishable foods like meat, dairy, and cooked vegetables should be kept out of this temperature range to maintain food safety. The fast growth of bacteria in this zone can lead to foodborne illnesses, so it's critical to keep foods properly chilled or heated.
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If a germ cell has 46 chromosomes, how many chromosomes will you find in the daughter cells, after meiosis?
What are the essential components for controlling Type II diabetes? What are some differences between Type I diabetes and Type II diabetes? Using the exchange system, if a person ate two fat exchanges with a meal, such as one-quarter of an avocado, how many calories would he or she get from the avocado? How can using an exchange list help a person with diabetes maintain his or her health? Using carbohydrate counting, how many grams of carbohydrates does a ham sandwich contain? What is the carbohydrate counting method, and how is it used in diet control?
A healthy lifestyle pattern includes a balanced diet, regular exercise, and the absence of any type of disease. The rest is also a crucial part of the routine to live a healthy lifestyle.
Insulin is a hormone secreted by the pancreas. Insulin regulates the level of glucose in the blood. The depleted amount of insulin blood leads to the disease of diabetes.
Type I diabetes is insulin-dependent, such that it requires the injection of insulin to maintain the glucose level in the body. The human body fails to produce the insulin that can be caused due to the autoimmune reaction. Type 2 diabetes is not insulin-dependent, such that a person can treat the disease with prior exercise and the type of diet they are taking. Type II diabetes has been linked to obesity, poor dietary habits, and inadequate nutrients.The exchange list is used by diabetics to give them freedom of choice. The patient is free to choose the type of food and maintain the calorie level.
The one fat exchange is equal to the 45 calories.
For example, there are 0.30 or two units of carbs, which is equal to the two servings of bread starch slices.
The primary nutrient, carbohydrates plays a crucial role in the diet of a diabetic. The intake of carbohydrates allows the diabetic to control the diet and follow a healthy lifestyle. The flexibility of the food menu is provided as only intake of carbohydrates is calculated.
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Samantha has entered several formulas in her worksheet. all of a sudden, she realizes that the cells that once displayed the formula results are now displaying the formulas and all of the columns are wider. she must have switched to ____.
The student is referring to the formula view mode in Microsoft Excel, where cells display formulas instead of results. To switch back to normal view, Samantha can go to the 'Formulas' tab and click on 'Show Formulas' button. She can also adjust column width by double-clicking on the right border of column header.
Explanation:The student is referring to the formula view mode in Microsoft Excel. When this mode is enabled, the cells display the formulas instead of the results. It is possible that Samantha inadvertently switched to this mode.
To switch back to the normal view mode, Samantha can go to the 'Formulas' tab and click on the 'Show Formulas' button to toggle the formula view on or off. Additionally, the wider columns can be adjusted by double-clicking on the right border of the column header or using the 'AutoFit Column Width' option under the 'Home' tab.
If Samantha needs assistance with a specific formula or wants to learn more about Excel, she can seek help from her teacher, use online tutorials, or consult the Excel help documentation.
The allele for a hitchhiker's thumb is recessive compared to straight thumbs, which are dominant. . in a population of 1000 individuals, 510 show the dominant phenotype. how many individuals would you expect for each of the three possible genotypes for this trait?
where is 90 percent of earths ice found
Mr. carusa has chronic hypertension. he is scheduled for a procedure in which x-rays are taken after contrast material is injected into the bloodstream to outline renal blood vessels. this procedure is called:
Final answer:
The procedure used to outline renal blood vessels by injecting contrast material into the bloodstream, commonly for patients with chronic hypertension, is called angiography.
Explanation:
The procedure in which x-rays are taken after contrast material is injected into the bloodstream to outline renal blood vessels for a patient with chronic hypertension, like Mr. Carusa, is called angiography. This diagnostic tool involves the use of a dye that is injected through a catheter into an artery or vein, making blood vessels visible on the x-ray or imaging scans such as CT scans or MRIs. Angiography provides detailed images of the blood vessels and can help healthcare professionals diagnose conditions such as arteriosclerosis, blockages, and determine the blood flow in the kidneys.
Some steps in mitosis are shown below in the incorrect order:
Step A: Chromosomes line up at the center of the cell
Step B: The cell membrane squeezes the middle of the cell to form two identical daughter cells
Step C: The sister chromatids are pulled apart
Step D: The chromosomes pair up
Which of the following sequences puts the steps in the correct order?
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A blank contains paired statements that can be used to identify organisms
The population size of a predator species is directly controlled by _.
Answer:
Population size of its prey.
Explanation:
Predators are the organisms that derive their nutrition by killing other organisms (prey). Increase in population size of prey increases the food availability for predators and leads to an increase in their population size. On the other hand, reduced prey population reduces the population size of predators due to low food availability.
Which of the following is a way that minerals are used?
a.
industry
b.
construction
c.
technology
d.
all of the above
The HMGR-3 allele fails to bind with SREBP. The portion of the gene that is broken in this allele is the
Out of the following given choices;
Allosteric site
Active site
Regulatory region
Coding region
The answer is Regulatory region. This region controls the activity of catalytic domain. HMGR-3 codes for the HMG-CoA reductase significant in cholesterol metabolism. SREBP binds to the gene regulatory region. The protein promotes transcription of the gene.Where are proteins made
its b thats the right awnser thank me later
The stage of a virus where it is activated to perform the function for which it was intended is referred to as the _________. select one:
a. propagation phase
b. triggering phase
c. execution phase
d. none of the above
Answer:
The correct option is B. The stage of a virus where it is activated to perform the function for which it was intended is referred to as the triggering phase.
Explanation:
The life cycle of a virus consists of the following stages:
The Dormant phase:
In this phase, the virus doesn't take any action. It just manages to get into the system or software.
The Propagation phase
In this phase, the virus makes copies of itself.
The Triggering Phase
In this phase, the virus performs its function.
The Execution Phase
In this phase, the destruction made by the virus can be seen.
A complex network of glands that release tiny amounts of hormones into the bloodstream of humans and other vertebrate animals is the ____.
Explain how two pea plants with round yellow peas can, when crossed, produce offspring with the recessive traits—green wrinkled peas. Use a Punnett square in your explanation.
Two pea plants with round yellow peas can produce offspring with green wrinkled peas if they are both heterozygous (YyRr). A dihybrid Punnett square can be used to demonstrate the probability of these recessive traits appearing in the offspring, which is 1 in 16 for green wrinkled peas.
Explanation:Understanding Dihybrid Crosses in Pea Plants:
When crossing two pea plants that both display the dominant phenotypes of round and yellow peas, it is possible to produce offspring with the recessive traits of green and wrinkled peas if both parent plants are heterozygous for these traits (YyRr). A dihybrid Punnett square is a tool that illustrates the crossing of individuals for two different traits simultaneosly. In this case, each parent would have the genotype YyRr, meaning they both carry alleles for both green (y) and wrinkled (r) peas, but these traits are not expressed because yellow (Y) and round (R) are dominant.
To utilize a dihybrid Punnett square in this context, we set up a 4x4 grid representing the potential combinations of alleles from each parent. The father's gametes are listed on the top, and the mother's gametes down the left side. Each has four possible gametes they can contribute, such as YR, Yr, yR, and yr. By filling out the Punnett square, we find there is a 1 in 16 chance for an offspring to be green and wrinkled (yyrr) which reveals that these particular parents can indeed produce such offspring despite not showing the traits themselves.
If two pea plants both with round yellow peas were truly heterozygous for these traits, their genotypes would be YyRr. The Punnett square combination from these parents may yield offspring with a genotype of yyrr, resulting in the expression of the recessive green and wrinkled pea phenotype.
the number of waves passing a given point in one second is the