Answer:
RADIOMETRIC DATING can also be seen as the way of determining the particular time in which materials were been formed by studying the decay of the radioactive isotopes that exist in the material, which is why RADIOMETRIC DATING is reliable because the rates of decay for many types of isotopes do not vary.
3 PREREQUISITE
1. The rate of decay must remain constant and must not vary.
2. The amount of parent and daughter must as well remain completely precise.
3. Lastly the granite would as well have to have stayed a closed system for the whlle period of time following when it was created
METHOD OF RADIOMETRIC DATING
1. The potassium argon dating
2.Uranium lead dating
Explanation:
REDIOACTIVE DATING can be defined as the method in abundance ratio of a radioactive isotope is been compared to a reference isotope in order to help determine the actual age of a material and this is done measuring the decay of radioactive atoms to effectively determine the age of a rock sample.
In other word RADIOMETRIC DATING can also be seen as the way of determining the particular time in which materials were been formed by studying the decay of the radioactive isotopes that exist in the material, which is why RADIOMETRIC DATING is reliable because the rates of decay for many types of isotopes do not vary.
Therefore in order for to obtained a reliable radiometric date for a granite batholith, their are three prerequisites which must be followed and they are :
1. The rate of decay must remain constant and must not vary.
2. The amount of parent and daughter must as well remain completely precise.
3. Lastly the granite would as well have to have stayed a closed system for the whlle period of time following when it was created .
Some of the various methods of RADIOMETRIC DATING include;
1. The potassium argon dating
2.Uranium lead dating
Below is the formula for RADIOMETRIC DATING
log F = (N/H)log(1/2)
Where F is the fraction remaining
N is the number of years
H is the half life.
In order to determine the fraction remaining we have to know the particular amount which is now present as well as the amount which was present at the time when the mineral was been formed.
Why are geomorphologists and oceanographers concerned
about the oceanic environment ?
A ____________________ is a piece of lithosphere that has a unique geologic history that differs from the histories of the surrounding lithosphere. and Other scientists don't believe the magnetic field is due to liquid iron in the Earth's outer core because the _____________ and the _____________ also have magnetic fields but no liquid iron in their core.
Answer:
Dear user,
Answer to your query is provided below
A terrane is a piece of lithosphere that has a unique geologic history that differs from the histories of the surrounding lithosphere.
The line of longitude 135 E. runs through....would it be India japan or vietnam
Answer:
The Chinese city of Chongqing might be japan!
Explanation:
The 135°E meridian of longitude crosses several oceans and seas, and also parts of these land masses . . .
-- Siberia (Russia)
-- Japan
-- Pulau
-- Papua
-- Australia
-- Antarctica
The line comes within 11 miles of one point in China, but it never actually crosses any Chinese territory.
It doesn't come anywhere near any part of India or Vietnam.
A cross-sectional study was conducted on the association between passive smoke inhalation and the occurrence of dental caries in children. (Passive smoke exposure occurs when children live with family members who smoke). The investigators thought that conclusions from this study were limited because of the cross-sectional nature of the data. Suppose that they asked you for advice and you told them that they should have conducted a prospective cohort study because it is a better study design. Which type of cohort is the best for this situation?A. Special cohortB. Case cohortC. General cohortD. Experimental cohort
Answer:
The correct answer to the following question will be Option C (General cohort).
Explanation:
A bunch of individuals with a quantitative variable (including such maturity or organization leaders) specific to something like a cohort of premedical graduates in a longitudinal survey.A general cohort of samples seems to be designed for specific experiences including such genetic components including certain vitamin utilization, oral contraceptive utilization, as well as habits like cigarettes excessive alcohol consumption.The other three choices are not related to the given circumstances. So that Option C seems to be the right answer.
An increase in average temperature around the planet is known as:
A: sea level
B: weather acceleration
C: Global Warming
D: Climate elevation
Answer:
C
Explanation:
because all around the world there are people that are destroying the economy and the world is getting hotter every year
how can students help pakistan become a better place?
Answer:
look after the people and care for them
there are a lot of poor people out their who have no food or water but no-one
helps them. when they have the money they can't even sacrifice a bit of it to the poor. this is exactly how we should help our country to become the best.
by doing this we will find happiness
When we burn fossil fuels, ________. Group of answer choices the greatest environmental impact is increased greenhouse gases the resulting carbonic acid leads to acid rain we liberate carbon back into the carbon cycle, increasing the amount available for plant growth the greatest environmental impact is the impact on the ozone layer the greatest environmental impact is the local damage from extraction
Answer:
the greatest environmental impact is increased greenhouse gases.
Explanation:
The fossil fuel are those elements that release tonnes of carbon dioxide on burning and they lead to the creation of greenhouse gas effect that creates problems for the increasing carbon content and since carbon absorbs much of the solar energy it raised the temperature of the earth and creates visible pollution on land, and water.You're studying a region, and have a political distribution map that you can
use. What information can you learn from this particular map?
O A. Areas where one religion or another dominated
B. Where various languages were spoken
C. Where voting could or could not take place
D. Ethnic divisions and diversity in the territory
Answer:
C
Explanation:
Location of major rivers or large lakes,
Boundaries between counties and states
Learn about registered voters
Learn about political parties
Studying political distribution map of a region can provide information about where voting could or could not take place in the region.
What is voting?Voting is a method through which a group of people like a community, electorate or general population of a region make a collective decision by establishing a majority. The process of voting involves choosing one of the provided options by posting a ballot, show of hands known as vote. In a democracy, a government is chosen by voting in an election: a way for an electorate to elect, that is a choose of an individual to select their favorite among several candidates for rule.
Therefore, (C) option is the correct answer.
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What happens when a bank is required to hold more money in reserve?
It has less money for loans
It has less money for operations
It has less money for interest payments
It has less money for withdrawals
Mark this and retum
Save and Exit
Next
Submit
Answer:
The correct answers are (A) and (C)
Explanation:
When a commercial bank is required to hold more money in reserve, this is usually a government or central bank policy (contractionary monetary policy) to reduce the amount of money in circulation.
The bank will then have less money to loan out and also less money to pay interest on loans. This gives the answers (A) and (C).
As for (B) and (D), cash-reserve ratio does not affect the basic flow of money in bank operations and a bank can't have less money for its customers to withdraw just because they are required to hold more money in their reserve. Every saver or customer remains entitled to all the money he saves in the bank.
Statements that explains what will happen if a bank is required to hold more money in reserve are;
It has less money for loans.
It has less money for interest payments.
Holding more money in reserve by bank would bring about reduction in the amount of money that banks have available to lend. Then, the supply of money will now reduce, and this will make banks to charge more in order to lend out, which means the interest rates will goes up.Therefore, option A ,C are correct.
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A multi-dimensional being reaches down to Earth and pulls you out of the universe. You are then thrown back into the universe at a place and time of the being's choosing, and you are permitted to leave only after you have identified your surroundings. This process is repeated several times. Through a scientifically unexplainable miracle, you are able to survive in every one of the places that you find yourself. In each scenario below, identify your surroundings (and potentially your cosmic era) from among the choices given You find yourselt in a very low-density gas that is extremely hot. In fact, the temperature of the gas is so high that it is emitting lots of X-rays. There are no stars anywhere within about 10,000 light-years of you, but at slightly greater distances, your sky is brightened by hundreds (perhaps thousands) of beautiful, star-filled structures, some with majestic spiral shapes. Where are you?
A) You are in the universe about 38 years after the Big Bang when the cosmic microwave background radiation was om ed.
B) You are in the universe when it was about 500 milion years old, just before galaxies began to form.
C) You are in the outskirts of a galaxy whose nucleus is a powerful quasar.
D) You are in the center of the Milky Way Galaxy, looking outward into the Local Group
E) You are in intergalactic space within a rich cluster of thousands of galaxies.
Answer:
a mat be the correct answer
In the lower right part of the map, what is the relative age of the bright red rock layer compared with the pale green layer? Note that the thin blue line running through the red layer represents the Colorado River, which flows through the bottom of the Grand Canyon.
Answer:
515 million years.
Explanation:
The grand canyon is one of the most complex rocks structures on earth with about 40 main sedimentary rocks layers combined and is 200 million to 2 billion years old. The canyon is formed by the three sets of rocks as Vishnu basement rocks that includes the shists, granite. The grand canyon superimposed rocks like the chuar group, under group. The pale green rocks are relatively 515 years old in the Cambrian rock formations. And the red rocks are the Permian rocks formation of 340 million years. Thus the younger rocks are at the top and older green at the bottom.what is tje worlds largest mountain
Answer:
MOUNT EVEREST
Explanation:
MOUNT EVEREST IS THE WORLD LARGEST MOUNTAIN IN HIMALAYA RANGE.
Answer:
tje is not a name of any mountain
Explanation:
15. A lot is known about how ancient Egyptians used astronomy.
a. True
b. False
Answer:
B
Explanation:
Based on graph 1 do you think the changes in solar intensity are a significant cause of the trend in global Temperatures why or why not
Changes in solar intensity do not seem to contribute to the change in global temperatures. If they did, the temperatures would rise and fall with the Sun’s energy. Instead, the global temperatures continue to rise despite the Sun’s natural fluctuations.
Changes in solar intensity do not seem to contribute to the change in global temperatures. If they did, the temperatures would rise and fall with the Sun's energy. Instead, global temperatures continue to rise despite the Sun's natural fluctuations.
What is the global temperature record?The global temperature record shows the fluctuations in the temperature of the atmosphere and the oceans through various periods. There are numerous estimates of temperatures since the end of the Pleistocene glaciation, particularly during the current Holocene epoch.
Some temperature information is available through geologic evidence, going back millions of years. More recently, information from ice cores covers the period from 800,000 years before the present time until now. A study of the paleoclimate covers the period from 12,000 years ago to the present. Tree rings and measurements from ice cores can give evidence about the global temperature from 1,000-2,000 years before the present until now.
The most detailed information exists since 1850 when methodical thermometer-based records began.
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Based on the discussion of vertical distribution of pressure and temperature in the troposphere from chapter 1, describe, in your own words, the general trends in pressure and temperature data collected by the radiosonde as the balloon ascends through the troposphere.
Answer:
A radiosonde is a telemetry instrument which lifts up into the atmosphere by a helium or hydrogen-filled weather balloon that measures different atmospheric factors such as relative humidity, atmospheric pressure, temperature, wind speed etc transmits them by radio to a ground receiver. It is often powered by a battery.
As the radiosonde rises, the atmospheric pressure decreases and the balloon expands. This drop in pressure is reflected in the readings of the radiosonde. At certain heights, the pressure is only a tiny part of a thousandth in measurement.
Another factor whose readings drops as is consistent with the laws of physics is temperature. As one goes higher, the temperature drops. Note that the radiosondes ascension is not a perfect vertical. It also drifts and can do so for about 198 kilometers. Meteorologists collect information about windspeed as the device drifts.
Please see the sample radiosonde reading attached.
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Mountains
Atlantic Ocean
Sahara Desert
Western
Desert
Libyan Desert
Red
Sea
Nile River
N
w
E
S
Which physical feature is located west of the Libyan Desert?
Red Sea
Nile River
Sahara Desert
Western Desert
Answer:
Western Desert
Explanation:
The Western Desert comprises two-thirds of the land surface of Egypt and covers an area of about 262,800 square miles (680,650 square km). From its highest elevation—more than 3,300 feet (1,000 metres)—on the plateau of Al-Jilf al-Kabīr in the southeast, the rocky plateau…
How does the pollution of the vaal river affect people socially?
Answer:
Explanation:
The Vaal River system supplies water to 60% of the economy and 45% of South Africa's population.” ... Symptoms of contact with e-coli-polluted water include skin irritations, infections and intestinal disorders. E-coli counts of 200 – 400 per 100ml of water represent a significant risk for gastrointestinal disorders.Sulfur dioxide and nitrous oxide emitted from factories and power stations enter river systems through acid rain. Sewage and effluent are discharged into rivers in some areas. Pollution can lower the pH of the water, affecting all organisms from algae to vertebrates. Biodiversity decreases with decreasing pH.11% from industries and 14% from mines. Agriculture has little influence on water quality and increased salinity and eutrophication are therefore the main quality problems. This catchment has sewerage, industrial and, as major contributors, mining return flows which also affect the quality of the Vaal River water.
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Limestone is formed primarily through ________. chemical interactions between ocean bottom sediments and ions in sea water direct precipitation from seawater biochemical sediments secreted by marine organisms evaporation of calcite rich seawater
Answer: Limestone is a carbonate sedimentary rock that is often composed of the skeletal fragments of marine organisms such as coral, foraminifera, and molluscs. Its major materials are the minerals calcite and aragonite, which are different crystal forms of calcium carbonate (CaCO3).
Explanation:
A(n) is a region of air that could be as big as two U.S. states and has
consistent pressure and temperature throughout.
A. disturbance
B. depression
C. air mas
D. thunder network
Answer:
c. air mas hopefully this help
what is global warming
Answer:
Global warming is the process that causes the Earth's temperature to rise and makes the Earth warmer. Humans play a large role in the increase in the Earth's temperature. Hopes this helps you!!
Explanation:
analyze the historical source map of africa in 1888 which illustrates the territories controlled by various european powers.
Answer:
Belgium and Great Britain are the two European powers which controlled most of Africa.
Explanation:
In 1888, most of the African land was captured by Great Britain while Belgium rule over Congo which was an enriched land having rubber, diamond and gold reservoir. Great Britain had a powerful army and latest technology due to which they rule on the most areas of the Africa. The areas under British rule were Egypt, Sudan, Kenya, Uganda, South Africa, Gambia, Sierra Leone, Zambia, Botswana, Nigeria, northwestern Somalia, Zimbabwe, Ghana, and Malawi
Capillarity is the Spontaneous movement of water into and through pore spaces in soil without the aid of gravity. true/false
Answer:
false
Explanation
FALSE: Sand and silt fractions are dominated by primary minerals. The clay fraction is ... True: High organic matter increases porosity, decreases BD ... (spontaneous movement of water into /thru pore spaces in soil without the aid of gravity) ... FALSE: Capillary and gravity move water in UNSATURATED soils
Based on fault trenching work, geologists can use broken soils (that geologists date in a lab using charcoal) to identify past earthquakes. What is the average duration between Hayward fault earthquakes indicated by these data
Answer:
140 years is average duration of an earthquake.
Explanation:
The Hayward fault is a geologic fault that is capable of massive destruction and is 119 km long fault western base of hills of San Francisco and is parallel to the San Andreas fault. The occurrence of an earthquake of 6.8 magnitudes in 1868 was biggest earthquake in California history. Recently various geologists have taken time interval of the past five large earthquakes and based on the past earthquakes data the interval of 140 years it will take to the formation of a large earthquake.2 reason why the sun is a star
Answer:
2 reasons why the sun is a star : Stars are space objects that produces their own energy through fusion reaction of gasses. They are like round, gas burning, energy producing luminous orbs. Sun- the star of our solar system is a star because it produces energy by the fusion reaction of Helium turning into Hydrogen.
how does the chocolate industry connect do different industrial sectors
Answer:
Explanation:
Chocolate manufacture requires many things.
It requires milk which requires milk industry, it needs coco which they get from other industries or from the farmers, etc
So in this way it connects to different industries
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in which regions of the united states would a drilling company most likely find oil?
Answer:
The West (Texas and Alaska)
Which is an example of human impact on climate changes
Expansion of greenhouse gases as CFCs used in Refrigerators and Sprays
Greenhouse gases are said to be a reason for global warming
Because Hindus believe that every living thing as a. A believe in a single god B honor animals C ignore caste rules D Believe the soul remains in the body forever
Answer:
Honor animals
Explanation:
In simple words, Hindus refers to the individuals who follow he religion of Hinduism. This religion is largely followed in India and is considered to be the oldest religion among others.
Hindus believe to have more than 3.3 billion gods and they also believes their river and mountains to be Ganga. Hinduism is considered to be a peaceful religion and it honors and respect the lives of every living begin.
As per Hindu mythologies, Soul can never die it only travels from one dimension to another after leaving the body.
Haiti’s independence from France was achieved through a __________. A. campaign by the US B. peaceful transfer of power C. slave rebellion D. military effort by Cuba
Answer:
c
Explanation:
What is Vladimir Koppen best known for?