The average radius of Earth is 6,371 km. If the average thickness of oceanic crust is 7.5 km and the average thickness of continental crust is 35 km, what fraction of Earth's radius is each type of crust? Convert the values from the km to the mile
We are required to find the fraction of Earth radius is each type of crust
The fraction of Earth's radius which is oceanic crust = 0.00118
The fraction of Earth's radius which is continental crust = 0.0055
Since 1km = 0.621 miles
Average radius of Earth = 6,371 km
i.e 6,371 × 0.621miles = 3958.76miles
Average thickness of oceanic crust = 7.5 km
i.e 7.5 × 0.621 miles = 4.66miles
Average thickness of continental crust = 35 km
i.e 35 × 0.621 miles = 21.75miles
Therefore, the fraction of Earth's radius which is oceanic crust = 4.66 / 3958.76
= 233/197938 = 0.00118
Therefore, the fraction of Earth's radius which is continental crust = 21.75 / 3958.76
= 0.0055
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Which type of replication error would be most likely to result in gene
variation among organisms?
Which of the following descriptions of mitosis is false?
During anaphase, the chromosomes arrive at the opposite poles of the cell.
During metaphase, chromosomes line up as pairs of chromatids along the equatorial plate.
During prophase, the centrioles migrate to the opposite sides of the cell.
During telophase, the cleavage furrow begins to form as the nuclear envelope begins to reappear at each pole.
The false statement is: During prophase, the centrioles migrate to the opposite sides of the cell.
What is a Mitosis?
Mitosis is a process of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent cell. During mitosis, the chromosomes in the nucleus of the cell are copied, and the two sets of chromosomes are separated and moved to opposite sides of the cell. The cell then divides in two, forming two genetically identical daughter cells.
Centrioles are not involved in mitosis and remain in their original position throughout the process.
What are Centrioles?
Centrioles are small organelles found in the cytoplasm of animal cells. They are made up of nine sets of microtubules arranged in a cylinder and play a key role in cell division. Centrioles are responsible for organizing the spindle fibers that help to separate chromosomes during cell division. They are also involved in the formation of cilia and flagella in some cells.
Therefore, Option C is False.
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_______carry out specific functions inside cells, whereas _______ store glycogen, lipids, pigments, and other substances. O Organelles, genes O Organelles, inclusions O Golgi apparatus, organelles O Inclusions, mitochondria
Organelles carry out specific functions inside cells, whereas inclusions store glycogen, lipids, pigments, and other substances.
An organelle is a type of subcellular structure that, much like an organ in the body, is responsible for performing one or more specialised tasks within the context of the cell.
The nucleus, which is responsible for storing genetic information, the mitochondria, which are responsible for producing chemical energy, and the ribosomes, which are responsible for assembling proteins, are some of the more essential organelles found in cells.
An organelle is a particular structure that may be found inside of a cell, and there are a wide variety of distinct organelles. Within a cell, the structures known as organelles are also referred to as vesicles. And they truly do have a purpose that is crucial, because we need to compartmentalize all of the operations that are taking place within the cell.
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Identify a minimum of three benefits and risks associated with genetically engineered plants.
Higher yield, more food and more profit are the benefits of genetically engineered plants whereas production of toxins and allergic reactions are the risks of genetically engineered plants.
What are the benefits of genetically engineered plants?Genetically engineered plants has many benefits such as greater access to affordable and healthy food, higher crop yields, and more profits for farmers.
What are the risks of genetic engineering in plants?
Genetically engineered crops could be harmful because these crops sometimes produces toxins which causes more damage to the people. Genetically engineered crops could cause allergic reactions in people. Pollen produced by the plants could be toxic and harm insects that transfer it between plants.
So we can conclude that higher yield, more food and more profit are the benefits of genetically engineered plants whereas production of toxins and allergic reactions are the risks of genetically engineered plants.
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You and I all have between 30 to
chemicals in our bodies that our grandparents didn't have.
Many of these chemicals are now linked to the skyrocketing incidents of chronic childhood disease that
we're seeing across industrialized nations.
O 150
O 1000
O 50,000
O 75
Answer:
The answer is not provided in the given text. It only mentions that we have between 30 to thousands of chemicals in our bodies that our grandparents didn't have and some of these chemicals are linked to chronic childhood diseases.
Explanation:
How many germ surfaces do people on average touch in one minute
Answer:
Infectious particles have been detected on both surfaces for up to 72 hours. Because virus numbers can't increase on surfaces, every hour that passes between the virus landing on a surface and you touching it decreases the chance of you getting sick.
Explanation:
hope it is helpful for you Thank youyour lungs are ____ to your spinal column.
a. posterior
b. lateral
c. inferior
d. anterior
The lungs are usually posterior to the spinal column. The correct option is a.
What is the meaning of anatomical positions?Anatomical position, also renowned as standard anatomical position, implies to the body's position when it is standing and facing forward, with each of the arms hanging on side of the body along with palms facing forward.
The legs are parallel, with the feet flat on the floor and forward facing.
The lungs are basically two spongy, air-filled organs that are located on side of the chest in thorax. The trachea or windpipe transports inhaled air to the lungs via tubular branches known as bronchi.
It is attached to the sternum anteriorly and the vertebra posteriorly. The diaphragmatic surface (base) is concave and rests on the diaphragmatic dome; the right dome is also higher than the left dome due to the presence of the liver.
Thus, the correct option is a.
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October 1, 2017 marks 27 years since the beginning of the Human Genome
Project. The goal of the group was to map the entire 3 billions bases and
80,000 genes in the human genome. On April 14, 2003, it was announced
that the goal was accomplished. Using this information, scientists have been
able to predict the risk of genetic diseases and understand the process of
inheritance. Which of the following statements best describes the process of
using the genetic code to produce polypeptides (proteins)?
Translation is used to produce a strand of RNA and proteins from a single strand of DNA.
O RNA produces a strand of DNA through transcription, then the DNA builds a protein molecule
through translation
O A single strand of DNA is used to make mRNA using translation, then the mRNA provides the
template for producing a protein through transcription
O A single strand of DNA is used to produce mRNA through transcription, then translation provides
the code for bonding amino acids to make a protein.
Answer:
The last one. A single strand of DNA is used to produce mRNA through transcription, then translation provides the code for bonding amino acids to make a protein.
Explanation:
Educated guess, but also. Translation is the process by which mRNA is decoded and translated to produce a polypeptide sequence, otherwise known as a protein. This method of synthesizing proteins is directed by the mRNA and accomplished with the help of a ribosome, a large complex of ribosomal RNAs (rRNAs) and proteins.
What’s everyone’s favorite tv show or movie?
I dont watch tv shows or movies
lol
chromosomes
A somatic (body) cell containing 40 chromosomes will have
in its gametes (sex cells).
20
80
40
Ο Ο
Answer:
20 chromosomes.
Explanation:
gametes are sex cells. they are called haploid cells because they get only half number of chromosomes from the parent cell.
Which muscles are striated?A. cardiac muscle and nerve muscleB. cardiac muscle and smooth muscleC. skeletal muscle and cardiac muscleD. skeletal muscle and smooth muscle
The correct option is C. Skeletal muscle and cardiac muscle.
Which is a chemical property of ethanol?
A. boiling point
B. density
C. flammability
D. melting point
Answer:
C
Explanation:
We know that ethanol is flammable
All living things require energy. Which of the following best explains how cellular respiration and photosynthesis are related, in terms of energy?
The energy transformed in cellular respiration is used to power photosynthesis.
The energy captured in photosynthesis is transformed through cellular respiration.
Photosynthesis and cellular respiration perform the same task in terms of energy transformation.
A Primer on Photosynthesis and the Functioning of Cells Photosynthesis
What is photosynthesis?The process of photosynthesis is the process by which green plants make food.It is the process of converting light energy to chemical energy and storing it in the bonds of sugar.Photosynthesis is energy storing because the process converts light energy into chemical energy, which is stored in the bonds of glucose.In terms of energy, cellular respiration and photosynthesis related in the following sense: The energy captured in photosynthesis is used to power cellular respiration.Photosynthesis is the process whereby green plants synthesize their own food (glucose) using energy from sunlight.Cellular respiration is the process whereby living organisms obtain energy (ATP) by breaking down food molecules in their cells.Photosynthesis produces glucose molecules, which store chemical energy in their bonds. These bonds are broken down via the process of cellular respiration to release the stored energy.
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How do we get coal from the earth?
Answer
it would have to be extracted or mined, if coal is less than 61 meters then (200 feet), it can be extracted through like surface mining
Explanation:
hope this helped :)
Plzzz help A librarian wants to yo knows what genres of books are most popular. He looks up the top 10 checked out books in the library’s computer system is it a observational study or a survey or a experiment?
Answer: Observational study
Explanation:)
Which best describes the temperatures of a city located along a windward coast? summer temperatures that are very similar to an inland location at the same latitude warmer summer temperatures than an inland location at the same latitude cooler summer temperatures than an inland location at the same latitude winter temperatures that are less mild than an inland location at the same latitude
The sentence that best describes the temperatures of a city located along a windward coast is C.Cooler summer temperatures than an inland location at the same latitude.
What is affected by a body of water's temperature?A city on a windward coast experiences cooler summer temperatures than an area inland at the same latitude.
In comparison to an inland site at the same latitude, a city positioned along a windward coast will experience (b) lower summer temperatures. This area's predominant breeze originates from the lake, which will always have a moderating effect (both warmer in the winter and cooler in the summer). Climate, salt intake, hormone levels, carbohydrate intake, degree of physical activity, and some substances like alcohol and caffeine can all have an affect on total body water content.
Temperature is crucial because it affects the chemistry of water. At greater temperatures, chemical reactions typically proceed more quickly. Higher temperature water, especially groundwater, can dissolve more minerals from the underlying rock and will consequently have a higher mineral content.
Therefore, option C is correct.
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Súper species design your own animal
this spcies contains in nature be power in nature contains in hansed with the other animals or disign by it
Which choices are consequences of alcohol use?
Select all that apply.
o increase in blood pressure
O slowed development of healthy bones and muscle
O damage to eyesight
O weakening of the immune system
Answer:
Weakening of the immune system
Slowed development of healthy bones and muscle
Explanation:
In mitosis, two diploid daughter cells are formed. In other words, if you start with 46 chromosomes, you end up with 46 chromosomes.
Answer:
No
Explanation:
In mitosis you always end up with 4 daughter cells, althpugh it is true that theu start with 46 chromosomes and end up with 46 chromosomes.
Question 9 of 38
Which of the following is a benefit of commercial agriculture?
A. The use of diesel farm machinery
B. Efficient milk production
O C. A reduction in biodiversity
OD. Water conservation
SUBMIT
Efficient milk production is a benefit of commercial agriculture. thus option B is correct.
What is commercial farming?Commercial farming is a practice where crops and livestock are cultivated with the intention of selling them as finished goods to gain money. A significant amount of capital investment is required to grow commercial farming.
When making commercial dairy, the milk is placed into MASSIVE industrial centrifuges, where it is divided into different components like lipids and proteins. To create whole, low-fat, and skim milk, the components are then once again mixed. It is pasteurized, put in a bottle, and transported.
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9. Sea breezes are caused by
Al convection.
B. tides.
Answer:
convection
Explanation:
The Sim ecosystem depends on photosynthesis for en
represent an ecosystem that depends on chemosynth
ecosystem would be different. To make it easier, refer t
diagram below) in your explanation. However, you do
article to review information about deep-sea vent eco
PLEASE HELPPPP
The deep-sea vent ecosystem is an example of an ecosystem that relies on chemosynthesis rather than photosynthesis.
What is photosynthesis?Photosynthesis is the process by which green plants and some bacteria convert sunlight into energy, and it is the basis of most ecosystems on Earth. However, there are some ecosystems, such as deep-sea vents, that rely on chemosynthesis instead of photosynthesis.
Deep-sea vents are located on the ocean floor and are formed by cracks in the Earth's crust. They release superheated water and minerals into the ocean, creating an environment that is rich in nutrients and energy. In this environment, chemosynthetic bacteria are able to convert the minerals and chemicals in the water into energy. These bacteria are the foundation of the ecosystem at deep-sea vents and are the primary producers, just like plants in a photosynthetic ecosystem.
Other organisms in the deep-sea vent ecosystem, such as tube worms and giant clams, rely on the chemosynthetic bacteria for their survival. These animals have evolved specialized adaptations that allow them to extract nutrients and energy from the bacteria. For example, tube worms have a specialized organ called a trophosome that houses the bacteria and allows the worm to extract nutrients from them.
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1. Where does gas exchange occur?
2. Describe how the lac operon functions, and explain how it permits E.
coli to produce the enzymes needed to break down lactose when it
is present in the bacterium.
Answer:
The lac operon is an operon, or group of genes with a single promoter (transcribed as a single mRNA). The genes in the operon encode proteins that allow the bacteria to use lactose as an energy source. coli normally metabolise glucose, but if glucose is not available in a new environment, the lac operon can allow E. coli to metabolise lactose, the sugar found in milk using the structural genes beta-galactosidase and lactose permease. The lac operon of E. coli contains genes involved in lactose metabolism. ... It normally blocks transcription of the operon, but stops acting as a repressor when lactose is present. The lac repressor senses lactose indirectly, through its isomer allolactose.
Explanation:
Identify Earth's position in the solar system relative to the sun.
Answer:
The third planet
Explanation:
We are the thirst planet away from the sun 150 million kilometers (93 million miles).
Marine science notes what is marine science
Answer:
The study of oceans and their life.
Explanation:
The study of oceans, including seawater, the ocean floor, and marine plants and animals.
How should an empty container of a P-listed medication be disposed of?
A) In a BLUE and WHITE pharmaceutical waste container
B) a BLACK container
C) In a RED bag
D) In a regular trash can
In Part 3 of this field study, you determined percentages of land use around your home. Would you describe the area in your study as diverse? Support your answer with your data and submit your data table.
Answer:
Please see below
Explanation:
The supporting data has been organized in a table and attached as an image herein. As can be clearly seen from the data table, the zones under study are nothing alike. The home area is mostly for residential use and gives the greatest percentage for being used for housing purposes. However, the Mount Pinatubo area is mostly being for vegetation.
An idividual has the following genotypes: AABbccDd.
ABcD is a possible genotype for a gamete, list 2 other possible genotypes for the gametes.
Answer:
Abcd & AbcD
Explanation:
Abcd
AbcD
Just swap out some letters