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Which correctly lists the three elements that geologists measure to determine the age of an organism’s remains?
carbon-12, potassium, and argon
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How do geologist know that the earth is 4.6 billion years old?
Geologists determine the age of the Earth by studying radioactive decay of certain elements in rocks and meteorites, such as uranium to lead. By measuring the ratios of these radioactive elements and their decay products, scientists can calculate the age of Earth to be approximately 4.6 billion years. This method is known as radiometric dating.
What two pieces of information are needed to determine the ratio of elements in a compound?
The chemical formula of the compound (e.g., H2O for water) and the molar masses of the elements present in the compound are needed to determine the ratio of elements. The molar masses are required to calculate the molar ratios of the elements in the compound.
Name the elements that determine the weather of a place?
The main elements that determine the weather of a place are temperature, precipitation, humidity, wind speed and direction, and atmospheric pressure. These elements interact with each other and with topography to create local weather patterns.
How old do geologists think the earth is?
Geologists estimate that the Earth is approximately 4.54 billion years old based on radiometric dating of rocks and meteorites. This age is determined by analyzing the decay of radioactive elements in these materials.
Nitrogen and phosphorus are important elements in which molecule?
Nitrogen and phosphorus are important elements in DNA and RNA molecules, which are essential for storing and transmitting genetic information in all living organisms.
Geologists determine the absolute age of rocks using?
Geologists determine the absolute age of rocks using radiometric dating techniques, such as carbon dating or uranium-lead dating. These methods rely on measuring the proportions of radioactive isotopes and their decay products in the rocks to calculate how long ago they formed.
Radioactive dating enables geologists to determine?
the age of rocks and fossils by measuring the decay of radioactive elements within them. This helps geologists understand the timeline of Earth's history and the process of its geological development.
What is the source from which organisms generally take elements is called?
The source from which organisms generally take elements is called the environment. Organisms obtain essential elements such as carbon, hydrogen, oxygen, nitrogen, and phosphorus from air, water, soil, and other living organisms in their environment.
How to read a chemical formula correctly?
To read a chemical formula correctly, start by identifying the elements present and their symbols. Next, determine the number of atoms of each element by looking at the subscripts following the element symbols. Finally, use this information to understand the composition of the compound and its chemical properties.
How do geologist know that the earth is 4.6 billion years old?
Geologists determine the age of the Earth by studying radioactive decay of certain elements in rocks and meteorites, such as uranium to lead. By measuring the ratios of these radioactive elements and their decay products, scientists can calculate the age of Earth to be approximately 4.6 billion years. This method is known as radiometric dating.
Which family correctly labels the elements in group 1 on the periodic table?
The alkali metals family correctly labels the elements in group 1 on the periodic table. This group includes elements such as lithium, sodium, and potassium.
What is an alternative that correctly describes elements considered as noble gases?
Inert gases or group 18 elements.
Which term refers to the examination of urine to determine the presence of abnormal elements?
Urinalysis: The examination of urine to determine the presence of abnormal elements.
how to make a communication chart?
elements correctly under verbal or nonverbal
When geologists say that a mineral always contains certain elements in definite proportions they mean that the mineral always has what?
When geologists say that a mineral always contains certain elements in definite proportions, they mean that the mineral always has a specific chemical composition. This composition is a key characteristic that helps identify and classify minerals. Minerals are composed of specific elements arranged in a precise crystal lattice structure.
A source from which organisms generally takes elements is called?
A source from which organisms generally take elements is called the environment. Organisms obtain essential elements like carbon, nitrogen, and phosphorus from their surroundings in order to survive and carry out their metabolic processes.
Elements found in tissues of most organisms?
Carbon
