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Related Questions
Explain how scientists are able to estimate the age of the solar system.
They use radioactive dating with samples of meteorites.
They use relative dating with the layers of the moon's surface.
They use radioactive dating with samples of moon rock.
They use relative dating with the layers of the Earth's surface.
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Scientists are able to estimate the age of the solar system by the use of radioactive dating with samples of meteorites. Hence, option A is correct.
What is Radioactive Dating?Radioactive isotopes are used in radioactive dating to determine the age of rocks and minerals. For igneous and metamorphic rocks, which cannot be dated using the stratigraphic correlation approach for sedimentary rocks, this method is helpful.
The atomic nucleus becomes unstable and releases bits and pieces during radioactive decay, which is a natural process. As radioactive particles, they are discharged (there are many types). The atom becomes stable when the number of protons and neutrons in the nucleus is balanced as a result of this decay process.
To try and determine the age of the Solar System, we can look at the oldest meteorites or those that exhibit the most severe lead ratios; if we do so, we find that the age is approximately 4.568 billion years. Rocks from the Moon, which have not experienced the same geological processes as rocks from Earth, are available for examination.
Hence, it concludes that option A is correct.
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What is something that is artificially pressurized to to outside air pressure, no links.
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The anwser is a plane because it protects pilot, crew and passengers from hypoxia.
True or False
A penalty kick is awarded if any defensive player (other than the goalie) touches the ball inside the penalty area
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Answer:
T?
Explanation:
A penalty kick is a direct free kick awarded to the attacking team when the defensive team commits a foul in the penalty area. It is taken from the penalty spot and all players except the goalkeeper and the player taking the kick must stand outside the penalty area, at least 10 yards from the penalty spot.
The magnetic field produced by a bar magnet can be made visible using iron filings, which align to the magnetic field, as shown in the image above.
How does the magnetic field in the image compare to Earth's magnetic field?
a.The bar magnet has two poles at W and Y, and the magnetic field produced by Earth also has two poles and looks similar to the bar magnet.
b.The bar magnet has two poles at W and Y, but the magnetic field produced by Earth has three poles and looks different from the bar magnet.
c.The bar magnet has three poles at W, X, and Y, and the magnetic field produced by Earth also has three poles and looks similar to the bar magnet.
d.The bar magnet has three poles at W, X, and Y, but the magnetic field produced by Earth has two poles and looks different from the bar magnet.
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Answer:
c
Explanation:
Answer:
C
Explanation:
i aavahva
9) Standardized Assessment Practice - Choose the best answer.
A chemist is identifying the elements found in a newly discovered sea sponge. Which can be used to identify a particular element?
number of electrons
number of protons
number of neutrons
size of the atom
10) Standardized Assessment Practice - Choose the best answer.
How many protons, neutrons, and electrons are present in an atom of radium with an atomic number of 88 and an atomic mass of 226?
88 protons, 138 neutrons, 88 electrons
75 protons, 76 neutrons, 75 electrons
88 protons, 88 neutrons, 138 electrons
138 protons, 88 neutrons, 88 electrons
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(9) The number of protons can be used to identify a particular element. The correct option is (2). (10) 88 protons, 138 neutrons, and 88 electrons are present in an atom of radium with an atomic number of 88 and an atomic mass of 226. The correct option is (1).
(9)
The number of protons in an atom, known as its atomic number, is a unique identification for a certain element. Each element has a unique number of protons in its nucleus, which determines its chemical properties and position on the periodic table. This attribute is critical for identifying and classifying items.
Hence, the number of protons can be used to identify a particular element. The correct option is (2).
(10)
Radium has an atomic number of 88, which implies it possesses 88 protons. The number of protons in an element is defined by its atomic number.
Radium has an atomic mass of 226 which signifies the total number of protons and neutrons in the nucleus.
Since radium has 88 protons, the difference between the atomic mass and the atomic number yields the number of neutrons: 226 − 88 = 138.
Because an atom is electrically neutral, it has the same number of protons and electrons. As a result, radium possesses 88 electrons.
Hence, 88 protons, 138 neutrons, and 88 electrons are present in an atom of radium with an atomic number of 88 and an atomic mass of 226. The correct option is (1).
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Do allergen-free pillows cause fewer germs to grow?
Why do you think this experiment fits in the category of life science?
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Part E Examine the image at the top of the article. The round object on the right shows how an invisibility coating will work. How are scientists trying to change the path of light? Do scientists want the coating to emit or reflect light? heLp please
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Answer: Reflecting the light
Answer:
Scientists want the invisibility coating to guide light around an object. They don’t want the coating to emit or reflect light.
PLATO ANSWER
Explanation:
Scientists want the coat of invisibility to show light around objects. They don't want the coat to emit or reflect light
Differently Worded Answer
PLEASE ANSWER You are in a vehicle waiting at a railroad crossing and notice a train going by at a constant speed of 5 kph. You happen to notice that there’s no engineer driving the train and it seems to be on auto pilot. Down the track in the direction the train is traveling, you see a Humane Society van full of cute puppies and kittens stalled out on the tracks. Are the van’s passengers in trouble or not? Use Newton’s 2nd Law to explain.
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What is the formula to calculate the GPE of an object?
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Answer:
mass x gravity x height
Explanation:
Gravitational potential energy is measured in jules