Answer:
I think you are talking about radioactive aging? (see explanation)
Explanation:
We have rocks from the Moon (brought back), meteorites, and rocks that we know came from Mars. We can then use radioactive age dating in order to date the ages of the surfaces.
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Over the past billion years, North America's shape and location have undergone significant changes, and these changes are still being driven by geologic processes.
What is geologic history?According to estimates, the Earth is 4.6 billion years old. Northern Quebec is home to the oldest rocks, which date back 4.3 billion years. These are a component of the Precambrian shield of Canada, which was the original center of the North American continent. Every continent has rocks that are older than 3.5 billion years.
The dynamic Earth is made up of always shifting plates formed of solid continental and oceanic lithosphere that lie atop a swirling, plastically flowing asthenosphere. With immense force, these plates move apart, clash, or slide past one another, forming mountains, new ocean floors, volcanic island chains, and earthquakes.
Therefore, Over the past billion years, North America's shape and location have undergone significant changes, and these changes are still being driven by geologic processes.
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What human factor has an impact on the flooding of the Yangtze River
Answer:
Deforestation directly increases erosion and siltation rates. There is an increased risk of flooding in Yangtze River basin in China and the major river basins in East Asia and the Amazonian basin .
Explanation:
The Earth's core is about the size of. A. the United States B. Pluto. C. New York City. D. Mercury.
what will happen if the number of organisms decreased?
Answer:
it will affect the ecosystem in a bad way
Answer:
They would starve and die unless they could move to another habitat. All the other animals in the food web would die too, because their food supplies would have gone. The populations of the consumers would fall as the population of the producer fell.
Explanation:
Which of the following does a prokaryotic cell lack?
A. nucleus
B. cell wall
C. ribosomes
D. DNA
Which of the following statements about how surface currents affect climate is false?
Because surface currents are always warm, they warm the land they travel closest to.
A periodic change in the location of warm and cool surface waters in the Pacific Ocean changes global weather patterns.
A current that travels along the West Coast keeps temperatures along the coastline cooler than temperatures inland all year long.
England experiences warmer temperatures than other countries at the same latitude because of the warming effect of a surface current.
A scientist identifies a sequence at random from the human genome. Which description of the sequence is the most likely?
A. The sequence is located on a sex chromosome.
B. The sequence is part of a gene for cell growth and development.
C. The sequence is part of a gene for immunity and defense.
D. The function of the sequence is unknown or unidentified.
Answer:
The answer is D. The function of the sequence is unknown or unidentified.
Explanation:
This answer is correct hope this helps! :)
Which statement about water on Earth is true?
There is more water underground than in the oceans.
More freshwater is in the atmosphere than on the surface.
More freshwater is located underground than on the surface.
There is more water in rivers and streams than in the oceans.
More freshwater is located underground than on the surface.
Answer:
More freshwater is located underground than on the surface.
The statement about water on Earth is true that more freshwater is located underground than on the surface. Thus, option C is correct.
What is hydrosphere?The hydrosphere has Water in any location on Earth, which has been including the atmosphere, surface, and underground and hydrosphere can be regarded as one of the main sphere of the earth.
Hydrosphere can be regarded as the total amount of water that exist on the surface of the planet, these can include water in any location on Earth, as well as the atmosphere and surface, and the underground even in the air.
There is more water underground than in the oceans and more freshwater is in the atmosphere than on the surface as well as more freshwater is located underground than on the surface.
Therefore, The statement about water on Earth is true that more freshwater is located underground than on the surface. Thus, option C is correct.
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What type of evolution (convergent or divergent) does biochemical evidence provide evidence for?
Answer: Divergent evolution or divergent selection is the accumulation of differences between closely related populations within a species, leading to speciation.
Explanation: Greetings:)
Polygenic inheritance is determined by multiple _______ located at different loci on different chromosomes.
Answer:
Polygenic inheritance is determined by multiple Genes located at different loci on different chromosomes.
Polygenic inheritance happens when an individual posses quantitative traits that become a variation compared to the parent's traits.
This phenomenon happens due to the combination of two or more genes that resulted in the characteristics that considered as the combination of both parents' characteristic.
Explanation:
Answer:
Genes.
100% right answer you're looking for.
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why is the coral reef more important than the ocean ?
Answer:
Coral reefs provide an important ecosystem for life underwater, protect coastal areas by reducing the power of waves hitting the coast, and provide a crucial source of income for millions of people. Coral reefs teem with diverse life. Thousands of spec
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La ________ es un proceso de unión de ______, llamados también células ______________. a. Reproducción - organismos - diploides. b. Reproducción - moléculas - somáticas c. Fecundación - individuos - progenitores d. Fecundación - gametos - haploide
Respuesta:
La fecundación es un proceso de unión de gametos, llamados también células haploides.
La correcta es la D.
Explicación:
El proceso por el cual es posible la reproducción y la continuación de nuestra especie se llama fecundación. La fecundación se produce cuando el gameto masculino, el espermatozoide, toma contacto con el gameto femenino, el ovocito.
Los gametos son células haploides, lo que significa que tienen 23 cromosomas - a diferencia de las células somáticas, que son diploides y tienen dos juegos de 23 cromosomas (46 en total). Esto es importante para que cuando se fusionen ambos gametos, la suma de los cromosomas sea siempre 46.
La manera en la que los gametos obtienen 23 cromosomas en lugar de 46 es gracias al proceso de meiosis.
Cuando se produce la fecundación, la célula resultante será el cigoto que, a lo largo de aproximadamente 40 semanas se desarrollará en el útero de su madre.
Based on your understanding of evolution, how could you explain why some flowers look like the insects (or birds) that are their primary pollinators? Please help
How is the clavicle, or collarbones, of a chicken-shaped? Using the diagram, indicate which group of dinosaurs has a furcula similar to that of chicken. PLZ MAKE AN ELABORATE EXPLANATION!!!
Answer:
The clavicles of a chicken are Y-shaped.
Many similarities are noted in the clavicles of a chicken and theropod. Both clavicles are fused to form a single V-shaped structure.
The clavicles of a chicken are Y-shaped.
What is collarbone?One of the primary bones in the shoulder, the collarbone, can break and suffer from a clavicle fracture. About 5% of all adult fractures are of this type, making it a reasonably common fracture.
The majority of clavicle fractures happen when the bone is sufficiently compressed—either by a fall onto the shoulder or an outstretched arm—to snap or break. With a broken collarbone, your arm may be difficult to move and may be quite painful.
Wearing a sling to prevent the arm and shoulder from moving while the bone heals is a common treatment for clavicle fractures. However, in some clavicle fractures, the damage causes the bone fragments to shift drastically out of position.
Therefore, The clavicles of a chicken are Y-shaped.
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2. Which of the following wrap around axons to form a myelin sheath?
A. Astrocytes
B. Ependymal cells
C. Satellite cells
D. Schwann cells
Answer:
D. Schwann cells
Explanation:
The picture models a cellular metabolic process. The main purpose of this
process is to produce — *
Phosphate groups
ADP
Unseeable energy
Water
A scientist discovers that a strand of DNA is 20% Guanine and 30% Adenine. What percent of
Cytosine and Thymine will it contain?
Answer:
20% cytosine
30% thymine
Explanation:
Cytosine is paired with guanine so they must have the same percentage. Adenine is paired with thymine so they also must have the same percentage.
What type of relationship involves an organism using another for
transportation or housing?
Answer:
Commensal relationships
Explanation:
Sorry if I'm wrong
Put in order.
Put the following steps of protein synthesis in order.
1
2.
3
editing
transcription
translation
Clear selection
Answer:
Translation of an mRNA molecule by the ribosome occurs in three stages: initiation, elongation, and termination. During initiation, the small ribosomal subunit binds to the start of the mRNA sequence. ... Lastly, termination occurs when the ribosome reaches a stop codon
Explanation:
The main protein synthesis steps are: Initiation, Elongation, Termination.
Hopefully this helps. :)
Soil is best described as _______.
Answer:
Soil is composed of small pieces of a variety of materials, so it is a heterogeneous mixture.
Explanation:
Which statement is true about prokaryotic cells?
I NEED HELP ASAP PLEASE
Answer:
A. They contain a single circular DNA molecule.
Explanation:
A F1 pea plant carries Yy alleles for seed color. Explain
what would happen to these alleles during gamete
formation
Answer:
During the formation of the gametes (i.e. meiosis) we have the separation of the sister chromatids and the independent segregation of the alleles: this means that one of the gametes will carry the "allele Y" and the other the 'y allele"
Consider a population of 100 annual wildflowers, some yellow, some red. It is like other real populations, its gene pool is changing. For each of the scenarios below state which of the Hardy-Weinberg conditions the population deviates from, and explain what agent of microevolution causes the gene pool to change
Answer:
From normal to hybrid or different state.
Explanation:
According to Hardy-Weinberg conditions, the population deviates from present state to hybrid because of the change of gene pool. Genetic drift, natural selection and mutation are considered as agent of microevolution that is responsible for the change in gene pool. If the change in gene pool occurs the form and structure of population of organisms has to be change in its appearance.
Duck-billed platypus is called a bridge animal, why?
Answer:
The platypus serves as a 'bridge' animal between nonmammals like birds and reptiles, which maintain their testicles in their body cavity, and placental and marsupial mammals, which hold their testes in an external scrotum."
Hemophilia is a sex-linked recessive trait. If a man with hemophilia marries a woman who is a carrier for the trait, what are the predicted
phenotypes for their children?
• A1 carrier male: 1 affected male: 1 carrier female: 1 affected female
B 1 carrier male: 1 affected male: 1 carrier female: 1 normal female
C1 normal male: 1 affected male: 1 carrier female: 1 normal female
OD 1 normal male: 1 affected male: 1 carrier female: 1 affected female
Answer:
c i hope it works
Explanation:
No sons of a man with hemophilia will have hemophilia.
All daughters of a man with hemophilia will be carriers (called obligate carriers).
If a carrier has a son, the son has a 50% chance of having hemophilia.
If a carrier has a daughter, the daughter has a 50% chance of being a carrier.
can someone please help me
WILL MARK YOU BRAINLIEST!!!!
Answer:
The answer should be (b)
Explanation:
Makes the most sense
What evidence does Marcia Clark present during her opening statement against OJ Simpson?
Answer:
The evidence will show that the face you see, and the man you will see, is the face of a batterer, a wife beater, an abuser, a controller.
What are the cells that make up the tissues of the nervous system?
Answer:
The cell that make up the tissues of the nervous system are Neurons and Glial cellThe ""Y"" shaped region where new nucleotides are being added during replication is known as a(n):
Answer:
The Y shaped region is a replication fork.
Which cell structure of the zooxanthellae performs a vital function that also helps the coral polyp grow?
Answer:
photosynthesis
Explanation:
Zooxanthellae are not only responsible for providing energy via photosynthesis, but also take up nutrients released by the corals metabolism such as nitrogen and carbon dioxide.
Cellular respiration is the process by which organisms:
A) Release energy from sugar for metabolic use
B) Create complex organic molecules from simple ones
C) Convert heat to chemical energy for metabolic work
D) Do more than one of the above