Answer:
Have been a citizen of the United States for nine years
Explanation:
Rock Layer E is 250,000 years old. Rock Layer C is 200,000 years old. Rock layer C has not undergone radioactive decay and has 18 radioactive isotopes. The half-life is 50,000 years. Rock Layer E has undergone radioactive decay ONCE, how many daughter and parent isotopes are present in layer E?
Answer:
Explanation:
By definition, after a radio active decay, a parent isotope will create a daughter isotope.
Layer C is exactly one half-life from Layer E at 50000 years. So half of the original parent isotopes from Layer E would have decayed to form daughter isotopes. As C has 18 radioactive isotopes together, E should have 6 daughter and 6 parent isotopes.
Answer:
Explanation:
Rock Layer E is 250,000 years old. Rock Layer C is 200,000 years old. So the two layers are off by 50,000 years; equal to one half-life.
As Rock Layer E has undergone radioactive decay ONCE, each parent isotope forms one daughter isotope after the decay.
Rock layer C has not undergone radioactive decay and has 18 radioactive isotopes. So that represents an equal number of parent and daughter isotopes, i.e. 9 parent and 9 daughter isotopes.
So there are 9 parent and 0 daughter isotopes in layer E.
Where does the transpiration take place in the water cycle
What is Hydrosphere ?
Explanation:
all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
Which statement best describes the Sun-Earth-Moon system during a neap tide?
Answer:
i think it is b
Explanation:
are these your options?
A. The Sun, the Moon, and the earth are in a straight line.
B. The Moon, the Sun, and earth form a right angle
C. Earth is behind the Sun and the Moon
D. The Sun is between Earth and the Moon
if they are then it is b
Answer:
B
Explanation:
PLEASE JUST PLEASE SOMEONE HELP ME...
Answer: TRUE MY LAD
Explanation:
what will be the time on longitude 30 degree West when it is noon at Greenwich
Answer:
1400hrs or 2.00pm
Explanation:
PLEASE HELP ASAP IM TAKING A TEST PLSPLS I WILL GIVE BRAINLIEST
What special physical property of the upper mantle supports the Theory of Plate Tectonics?
Lithosphere
The lithosphere is the solid, outer part of the Earth, extending to a depth of about 100 kilometers (62 miles). The lithosphere includes both the crust and the brittle upper portion of the mantle. The lithosphere is both the coolest and the most rigid of Earth’s layers.
Despite the distance between California and Australia, the value of gold
in the 1800s spurred Gold Rushes on both the North American and
Australian Continents which allowed innovations in mining to spread
between the two countries. This is called-
Select one:
a. Convergence
b.Divergence
c.Transmission
d.Outsourcing
The provocation of Gold Rushes leading to the integration of both the North American and Australian Continents for innovations regarding mining would be called:
A). Convergence
'Convergence' is described as the process of 'merging of distinct technologies or devices into a unified whole.'In the given situation, the coming together of two continents i.e. North American, as well as, Australian continents to work together in the field of mining technology would be called 'convergence.'Since the innovation brought the two continents in unity to work in integration for further development and innovation, it is convergence.Hence, option A is the correct answer.
Learn more about 'Convergence' here:
brainly.com/question/1851892
Please find the value of x
European colonization in Southeast Asia resulted in _____.
wealth for small farmers
ethnic conflict
success for local artisans
economic independence
Answer:Wealth for small Farmers
Explanation:
A student uses a calendar to predict future lunar phases. On June 2, the Moon appears as a Full Moon. When will a 3rd Quarter Moon most likely occur?'
pls it's due in 2hrs
Answer: A 3rd Quarter Moon would most likely occur after around 8 days
Explanation: Principle Lunar phase passed (+1 day), Intermediate lunar phase passed (+7 days)
What are the 3 challenges to the role of science?
Answer:
Financial crunch in academia. Researchers face perpetual struggle to secure and sustain funding. ...
Poor study design in published papers. ...
Lack of replication studies. ...
Brainliest would be great!
Answer:
Financial crunch in academia. Researchers face perpetual struggle to secure and sustain funding.
Problems with peer review.
The problem of research accessibility.
Explanation:
Why is the Middle East historically significant?
Part 1
Solve the following equations by using the Quadratic formula and answer the subsequent
questions:
(3)
1
12x2 + 5x - 2 = 0
a.
Are the roots equal or unequal?
(1)
b. Are the roots rational or irrational?
(1
)
C.
Are the roots real or non-real?
(
1)
2. 3x2 + 6x + 1 = 0
(3)
Answer:
a) the roots are unequal.
b) the roots are irrational
c) the roots are non-real
2. 6 + 6x + 1 = 0
6x = 6+1
6x = 7
6x/6 = 7
x = 7/6
Historically, most immigrants came from _______________and settled in the Northeast.
Answer:
Europe.
Explanation:
Migration refers to the movement of a group of people from one geographical region (location) to another geographical destination in search of better living conditions, work or social amenities.
Migration selectivity can be defined as the likelihood or tendency that a subset (part) of a group of people are going to move (migrate) out of a particular geographical location or area.
Some of the factors that influence migration selectivity are income level, age, education, gender etc.
Historically, most immigrants came from Europe and settled in the Northeast of the United States of America. In recent times, immigrants come from Latin America, Africa and Asia into the United States of America, settling throughout the country from the West to the South.
10. Which militant political group is responsible for many of the hardships faced by people living (1 point)
in Afghanistan?
O guerrillas
ONAFTA
O Taliban
O refugees
Answer: The Taliban
Explanation:
When a plane lands at the local airport, it touches ground and creates an angle between the ground and the belly of the plane. What is a good estimate of the angle measurement?
Answer:
Approximately 3 degrees
Explanation:
As well as taking off, the landing of the plane must be monitored very well, allowing the entire trip to be made safely and efficiently. At landing, it is important for the pilot to estimate which is the best descent profile and what is the best angle to be established between the ground and the belly of the plane. It is preferable that this angle is approximately 3 degrees, which promotes a safe landing, but this value can have small variations.
some comets disappears forvers give reason in 2 points
Imagine you are a city planner. You have the option of providing electricity to your city either through natural gas or through nuclear power. Natural gas is slightly cheaper, but new carbon taxes are about to be implemented in your state. Which do you decide to use? Why?
Answer:
Nuclear power
Explanation:
Even though it may cost a little more, it probably has the less effect on the environment. In times like these with climate change and the earth dying, it is important to do the best we can to reduce it. It has cons tho, nuclear power can be extremely dangerous if it goes wrong... Despite its safety measures, it's still pretty dangerous. Hope it helps!
The natural gas is slightly cheaper but as per taxes in the state, but for city planning more effcient way is to use nuclear power. Thus city panning can be done.
What is nuclear power?Nuclear power is a clean and efficient way of making use of energy resources that can be sued for boiling water that runs the turbines that generate electricity.
The nuclear power is power that is obtained from the fission and the nuclear decay. Even though nuclear power costs bit more but its less effect on the environment.
Find out more information about the nuclear power.
brainly.com/question/24295936
How did Islamic empires use taxes to encourage conversion?
Answer:
People who converted did not have to pay tax or had lower taxes.
Explanation:
:)
They used taxes to tax the people out of their tax money.
PLEASE HELP!!!
The two main faiths in region of South Asia are...
-Islam,Hinduism,Buddhism,
Christianity
definition of geostrophic force
Geostrophic wind
Answer:
A geostrophic current is an oceanic current in which the pressure gradient force is balanced by the Coriolis effect. The direction of geostrophic flow is parallel to the isobars, with the high pressure to the right of the flow in the Northern Hemisphere, and the high pressure to the left in the Southern Hemisphere.
Please help me with the four bottom ones! :)
Answer:
Mountain ranges, earthquake and formation of new lakes occurs.
Explanation:
When two places comes together forming mountain ranges in that area. When two plates move away from one another, earthquakes occurs and magma rises to the surface. The diversion of rivers and the formation of new lakes. Two plates that forms a gap between each other causes the formation of new lakes, diversion of rivers and disturb the weathering patterns. When two plates sliding alongside each other forming faults that leads to earthquakes in that region.
Which of the following is most likely to happen if a cell is not able to divide? (5 points) a The cell will create two identical daughter cells. b The cell will absorb oxygen during photosynthesis. c The cell will not be replaced when it is damaged. d The cell will not release carbon dioxide during respiration.Which of the following is most likely to happen if a cell is not able to divide? (5 points) a The cell will create two identical daughter cells. b The cell will absorb oxygen during photosynthesis. c The cell will not be replaced when it is damaged. d The cell will not release carbon dioxide during respiration.
Answer:
a or b
Explanation:
Answer:
its c i took the test
Explanation:
in which type of economic system does the government have the most economic control?
Answer:
The system with the highest level of government control is communism. In theory, a communist economy is one in which the government owns all or most enterprises. Central planning by the government dictates which goods or services are produced, how they are produced, and who will receive them.
What were James Buchanan’s political accomplishments? Identify and explain at least 3 accomplishments
Answer:
James Buchanan was a lawyer whose gift for oratory led him to politics. He served in the Pennsylvania legislature (1814–16), the U.S. House of Representatives (1821–31), and the U.S. Senate (1834–45). He also served in the presidential administrations of Andrew Jackson, James K.
Explanation: