Accurate radiometric dating is possible only if a rock contains a measurable amount of radioactive isotopes.
These isotopes are unstable elements that decay at a predictable rate over time, transforming into a more stable isotope or a different element. Radiometric dating techniques rely on the principle of radioactive decay, in which the parent isotopes decay into daughter isotopes.
There are several types of radiometric dating methods, including uranium-lead, potassium-argon, and carbon-14 dating, each applicable to specific types of rocks or materials. To determine the age of a rock, scientists measure the ratio of parent isotopes to daughter isotopes within the sample. Since the rate of decay for each radioactive isotope is known, the age of the rock can be calculated by comparing the measured ratio to the expected ratio based on the isotope's half-life.
For radiometric dating to be accurate, it is essential that the rock contains a sufficient amount of the parent radioactive isotope to provide a measurable signal. Additionally, the rock must be free from contamination or disturbances that could alter the isotopic ratios. For instance, if the rock has been exposed to heat or weathering, the isotopic composition might have been affected, leading to inaccurate age estimates.
In summary, accurate radiometric dating is possible if a rock contains a measurable amount of radioactive isotopes. By measuring the ratio of parent to daughter isotopes and applying the known decay rate, scientists can calculate the age of the rock with a high degree of accuracy, providing valuable insights into Earth's geological history.
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accurate radiometric dating is possible only if a rock contains a measurable amount of ________.
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What is the primary cause for continental drift, earthquakes, and volcanic eruptions?
Question 2 options:
a.heat from the Earth's core
b.rotation on the Earth's axis
c.convection currents in the mantle
d.erosion of the Earth's crust
Answer:
Heat from the earth's core
Explanation:
The force that causes most of the plate movement is thermal convection, where heat from the Earth's interior causes currents of hot rising magma and cooler sinking magma to flow, moving the plates of the crust along with them. In ridge push and slab pull, gravity is acting on the plate to cause the movement.
Which of the following forms of energy powers the rock cycle?
A. Heat caused by radiation from the Sun
B. Convection caused by heat from the Earth's core
C. Gravitational or potential gravitational energy
D. All of these power the rock cycle
Answer:
D. All of these power the rock cycle
Explanation:
A rock cycle can be defined as a concept used to describe the continuous process that leads to a rock's creation, formation, transformation from one form to another, destruction and reformation over a specific period of time. The natural phenomenons that influences the rock cycle are weathering, plate tectonic activity, erosion, etc.
Basically, the three (3) main types of rocks are; igneous rock, sedimentary rock and metamorphic rock.
In Science, energy can be defined as the ability of an object or body to do work. The various forms of energy are solar energy, electrical energy, chemical energy, thermal energy, wind energy, nuclear energy etc.
The following forms of energy powers the rock cycle;
A. Heat caused by radiation from the Sun.
B. Convection caused by heat from the Earth's core.
C. Gravitational or potential gravitational energy.
South Africa
Public Domain
Which of the following countries are compact states? (1 point)
O Malawi and South Africa
O Somalia and Liberia
Nigeria and Liberia
O Cameroon and Somalia
O The Gambia and Malawi
will give brainliest
Answer:
Nigeria and Liberia
Explanation:
Compact states are the countries whose boundaries does not vary significantly from the center. Nigeria and Liberia has boundaries which are not significantly different from the center. These states are termed as compact states.
La_____de las naciones unidas para la_____,La ciencia y la cultura(____) trabaja con los _______ y naturales que forman parte del_________de la ________Actualmente han ratificado la_______sobre proteccion del patrimonio _________cultural y natural de 1972,187 paises con 936 bienes insecritos,de los cuales 725 son culturales Palabras:Mundial,proteger,Unesco,Gobiernos,Culturales,patrimonio,Educacion,humanidad,convencion,organizacion
1. Organización
2. Educación
3. Unesco
4. Culturales
5. Patrimonio
6. Humanidad
7. Ley
8. Industrial
Creo que es así, espero que ayude
Which of these is prohibited which of these is prohibited when hunting wild turkeys?
А
electronic calls
B
foam decoy
С
compound bow
D
blaze orange hat
What was the class rank upon graduation from West Point of gaijin shogun?
F_ _ _ _
Answer:
first
Explanation:
MacArthur handed over power to the Japanese government in 1949, but remained in Japan until relieved by President Harry S. Truman on 11 April 1951. The San Francisco Peace Treaty, signed on 8 September 1951, marked the end of the Allied occupation, and when it went into effect on 28 April 1952, Japan was once again an independent state.[291] The Japanese subsequently gave him the nickname Gaijin Shogun (“foreign military ruler”) but not until around the time of his death in 1964.
Compare Africa's wealth to the rest of the world.
Answer:
Africa is blessed with a rich bounty of natural resources. The continent holds around 30% of the world's known mineral reserves. These include cobalt, uranium, diamonds and gold, as well as significant oil and gas reserves.
Over the period 2000 to 2008 resource extraction contributed more that 30 percent of Africa's GDP, while the annual flow of foreign direct has investment into Africa increased from $9 billion to $62 billion.
Africa has been drawn a little benefit from this mineral wealth and remains one the poorest continents on the globe, with almost fifty per cent of the population living on less than $1.25 per day.
Explanation:
Answer:
Africa is blessed with a rich bounty of natural resources. The continent holds around 30% of the world's known mineral reserves. These include cobalt, uranium, diamonds and gold, as well as significant oil and gas reserves.
Over the period 2000 to 2008 resource extraction contributed more that 30 percent of Africa's GDP, while the annual flow of foreign direct has investment into Africa increased from $9 billion to $62 billion.
Africa has been drawn a little benefit from this mineral wealth and remains one the poorest continents on the globe, with almost fifty per cent of the population living on less than $1.25 per day.
Explanation:
Africa is blessed with a rich bounty of natural resources. The continent holds around 30% of the world's known mineral reserves. These include cobalt, uranium, diamonds and gold, as well as significant oil and gas reserves.
Over the period 2000 to 2008 resource extraction contributed more that 30 percent of Africa's GDP, while the annual flow of foreign direct has investment into Africa increased from $9 billion to $62 billion.
Africa has been drawn a little benefit from this mineral wealth and remains one the poorest continents on the globe, with almost fifty per cent of the population living on less than $1.25 per day.
what is wrong with the Artic ecosystem
Answer:
global warming?
Explanation:
seems like a logical answer
Which of the following agricultural inputs were the most recent technological innovations employed in less developed countries during the Green Revolution
Answer: increased use of chemical fertilizers and pesticides
The green revolution led to the growth and development of agricultural inputs like fertilizers and pesticides that increased the use of chemicals.
What is a green revolution?The green revolution refers to the agricultural revolution and is the production of the food grains this was introduced in the developing nations by the developed nations of the world. It began in the mid 20th century and was successful since then in India and Mexico.
Find out more information about the Green Revolution
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Where are international immigrants most likely to settle? (5 points)
a
Suburban areas
b
Developing countries
C
Developed countries
d
Areas south of the equator
Оe
Rural areas
I would think e because most of the immigrants migrated from developed countries.
Answer:
c
Explanation:
cause they would probably want a good country so they can get a good job or so they can live new life in a new country
Explain the difference between a Long Profile and a Cross Profile of a River.
Answer:
The average flow velocity of a river increases along its long profile. This makes sense; along the profile, more potential energy is converted to kinetic energy, increasing the velocity. This is only the average velocity however; a cross-section of a river shows that the velocity varies from one side to the other.
Explanation:
How many states claim regions in the South Pole? Why?
Answer:
There are seven sovereign states who have made eight territorial claims in Antarctica: Argentina, Australia, Chile, France, New Zealand, Norway, and the United Kingdom.
Explanation:
https://en.wikipedia.org/wiki/Territorial_claims_in_Antarctica#:~:text=There%20are%20seven%20sovereign%20states,Norway%2C%20and%20the%20United%20Kingdom.
Hope this helped!
Full metal alchemist> Hunter x Hunter
Answer:
Yeah
Explanation:
that's is accurate yeah, getting to 20 characters yeah
Answer:
eh thats debatable
Explanation:
Globalization of the world’s economy continues to have positive and negative consequences, depending on one’s perspective.
A. Define globalization.
B. Discuss in detail an example of one significant economic impact of globalization in a specific country, and examine how this impact may be viewed positively and negatively.
C. Discuss in detail an example of one cultural impact of globalization in a specific country, and examine how this impact may be viewed positively and negatively.
Answer:
I think it's B can i have a brainlest please
Explanation:
Answer:
A. Globalization is the spread of technological advances, communication, and economic production from one culture to another.
B. A significant economic impact of globalization in Japan would be the collapse of their (previous) well-entrenched system of lifetime employment. Due to the lack of economic growth and failing markets, 1990s Japan was forced to reform the original Japanese labor model, and the integrating of American-style economic principles. Positively, this impact promoted the accumulation of capital, upgrades to the industrial structure, and technological advancements. Negatively, this impact affected the successful labor model that was followed before the globalization occurred.
C. An example of cultural impact of globalization in Germany would be that the country benefited greatly from higher flows of people and ideas. The people and ideas led to making slight changes in traditional religions and belief systems. They also began changing work ethics and rhythms that were to be followed. This impact may be viewed positively by having people work in better time frames and in safer environments. It may be viewed negatively by changing the traditions and belief systems some people were raised to believe for years. Sometimes people just do not want to see change in that aspect, they are so firm in their beliefs.
Hope this helped!
please help me guys please please please please please please please
PLZZ HELP MEEE WILL MARK BRAINLIEST!!!!
Question 12 (3 points)
Predict a change in the Earth's surface or effect observed at each of the following for 1 point each:
BLANK 1 - TRANSFORM BOUNDARY
BLANK 2 - DIVERGENT BOUNDARY
BLANK 3 - CONVERGENT BOUNDARY
Question 12 options:
Blank # 1
Blank # 2
Blank # 3
Answer:
I agree with the other person who answered
have a good day :)
Explanation:
HI PLEASE HELP!!!!!! NO FAKE ANSWERS OR I WILL REPORT.
Analyze the map below and answer the question that follows.
A thematic map of Central Asia. Climate regions are labeled 1, 2, 3, 4, and 5.
Look at the map above. All of the following climate regions are located in Central Asia except the __________ region.
A.
marine west coast
B.
humid continental
C.
semiarid
D.
arid
Answer:
A. marine west coast
Explanation:
That blue part that is not labeled by numbers is the marine coast of Central Asia
Answer:
A) Marine West Coast
Explanation:
Humid continental, semiarid, and arid where located in Central Asia. Except marine west coast. Not only that, I took the test and it was right.
The ground distance between two places is 100km.if the distances is represented by 5cm on a map.what is the scale of the map
(It was this question)
Answer:
The scale of the map is 1/2000
urgent help! right now everyone
Explain how a rock can change forms
answer
It can change shape by erosion
Which of the following is the densest compositional layer of the earth/
A The inner core
B The outer core
C The core
D The crust
who lives in or around atlanta !!
Answer:
I wish I could go there
Explanation:
but this c***** virus is :(
This is a waste of someone's time and energy
The ethnic groups in Kenya do not always get along well.
True
False
short note on climatic zones
Answer:
Climate zones are areas with distinct climates, which occur in east-west direction around the Earth, and can be classified using different climatic parametres. Generally, climate zones are belt-shaped and circular around the Poles
According to this excerpt, one of the environmental impacts of desalination of water includes
Answer:
When you flush the brine water, the salinity is higher than the seawater and has adverse effects on environmental zones near the coast.
Explanation:
3. A recommendation
a. is written after the researcher has drawn conclusions.
b. is based on the findings of the research.
c. suggests specific interventions or strategies to address the issues at hand.
d. all of the above
suggestsbl specific interventions or strategies to address the issues at hand
helppp !
an ____ is a focused , argumentative statement this is supported by evidence .
a ; counter claim
b ; supported claim
c ; textual evidence
d ; unsupported claim
Answer:
b
Explanation:
Definition of an urban park. Will mark the brainliest
Answer:
Urban park is known as public park, where any one can visit openly. It has municipal greenery.
Hope this helps you!
Explanation:
in 1995 which two countries were most alike in their economic activities?
Answer:
I don't know
Explanation:
The slope of a line is 4/5 and the y intercept is -9. What is the equation of the line?
Answer:
y = 4/5x -9 !!
Explanation:
you would use slope intercept form !!
Look at the image.. !
You put the slope where the m is, and the y intercept where the b is !!
I hope this helped !! :D