How do plate tectonics explain the formation and metamorphic rocks?
Metamorphic rocks are formed from other rock that has been subjected to very high temperature and pressure.
When one of the earth's plates comes in contact with another either by both traveling opposite directions, straight into each other, or from one slipping under the other (subduction zone), the pressure/friction of the plates against each other melts the rocks and after they cool they are metamorphic. Example is in Washington state when the Juan de fuca plate is going under the North American plate the pressure/friction of this melts the rocks which then form metmorphic rock.
Plate tectonics explain the formation and metamorphic rocks as follows:
Due to the tectonic activity of the terrestrial lithosphere, igneous and sedimentary rocks formed in certain environments and under precise environmental conditions, can be subjected to new conditions (essentially pressure and temperature).
Under the new conditions, and frequently under the action of tectonic stresses (linked, for example, to the formation of mountain ranges), the pre-existing rocks are transformed, giving rise to metamorphic rocks.
Its fundamental characteristic is to present blast texture, and in the cases of having suffered deformation, anisotropic factories.
Most metamorphic rocks are the result of this phenomenon, which occurs in very large areas that are subjected to extreme temperatures, pressures, and deformations.
Along plate tectonics, mainly on the convergent plate where rocks are intensely deformed and crystallized during convergence and subduction.
Therefore, we can conclude that metamorphic rocks are the result of tectonic stresses where the rocks are intensely deformed, giving rise to metamorphic rocks.
Learn more here: https://brainly.com/question/17759917
25 POINTS
Which of these reproductive strategies are meant to ensure survival of the offspring?
A. A male sea horse carries its young in its sack
B. A peacock displays its brightly colored feathers.
C. Baby crocodiles travel on their mother’s back.
D. Bees visit the flowers of plants.
E. Birds eat fruits from trees.
The reproductive strategies meant to ensure the survival of the offspring are A, where a male seahorse carries its young in its pouch providing a protective environment, and C, where baby crocodiles travel on their mother's back for protection against predators.
Among the options provided for reproductive strategies meant to ensure the survival of the offspring, the correct choices relate to the direct care and protection of the young animals by their parents. Specifically, choices A and C involve direct protection and nurturing of offspring, which are key aspects of successful reproductive strategies in many animal species.
A. A male sea horse carries its young in its sack: This is an example of a unique reproductive strategy in seahorses, where the female lays eggs in the male's abdominal brood pouch, and the eggs are fertilized within this pouch. The male then gestates the young until birth, which provides a safe environment for the offspring during their development, greatly increasing their chances of survival.C. Baby crocodiles travel on their mother's back: This behavior provides protection to the young crocodiles from potential predators during their early life stages when they are most vulnerable.Conversely, choices B, D, and E are related to different aspects of animal behavior and do not directly contribute to the protection of offspring.
When calcium blood levels fall, one of the body's glands releases a special hormone that increases calcium levels. This is an example of _____.
A. positive feedback
B. negative feedback
C.neutral feedback
Answer:
A. positive feedback
Explanation:
What are the two major differences between a plant cell and an animal cell?
Lucas rubs a plastic ruler on his sweater. He waves the ruler above a pile of shredded paper and notices that the pieces of paper get attracted to the ruler. Which attractive force is responsible for this?
Final answer:
The attractive force observed when a charged plastic ruler attracts shredded paper is the electric force, due to the induced separation of charges within the uncharged paper.
Explanation:
The attractive force responsible for the shredded paper being attracted to the plastic ruler rubbed on a sweater is the electric force. When Lucas rubbed the ruler on his sweater, it gained an electric charge due to the transfer of electrons, a process known as triboelectric charging. The charged ruler creates an electric field around it, which induces a separation of charges within the nearby uncharged pieces of paper. The side of the paper closer to the ruler becomes oppositely charged, leading to attraction due to the electric force. This is similar to how a charged piece of tape can attract uncharged pieces of paper from a distance. The interaction observed is a fundamental expression of electrical forces between atoms, a concept that also explains why tape sticks to paper, among other human-scale forces.
Why are compounds different from single elements?
A When elements form a compound, the bonds and structure of the elements
change.
B When elements form a compound, the masses of the elements increase.
C When elements form a compound, the masses of the elements decrease.
D When the elements form a compound nothing is different.
There are 10 grams of fat 30 grams of carbohydrate and 4 grams of protein in the dessert. What percentage of calories comes from fat
Approximately 39.82% of the calories in the dessert come from fat. Therefore option 1 is correct.
To determine the percentage of calories that come from fat in the dessert, we need to calculate the energy contribution of fat and compare it to the total energy content of the dessert.
Here's an explanation of how to calculate it:
1. Determine the energy value per gram of each macronutrient:
Fat: 1 gram of fat provides 9 calories.
Carbohydrate: 1 gram of carbohydrate provides 4 calories.
Protein: 1 gram of protein provides 4 calories.
2. Calculate the energy contribution of each macronutrient in the dessert:
Fat: 10 grams of fat × 9 calories/gram = 90 calories from fat.
Carbohydrate: 30 grams of carbohydrate × 4 calories/gram = 120 calories from carbohydrate.
Protein: 4 grams of protein × 4 calories/gram = 16 calories from protein.
3. Calculate the total energy content of the dessert by summing up the energy contributions from each macronutrient:
Total calories = 90 calories from fat + 120 calories from carbohydrate + 16 calories from protein = 226 calories.
4. Calculate the percentage of calories from fat:
Percentage of calories from fat = (Calories from fat / Total calories) × 100
Percentage of calories from fat = (90 calories / 226 calories) × 100 ≈ 39.82%
Therefore, approximately 39.82% of the calories in the dessert come from fat.
Know more about calories:
https://brainly.com/question/22374134
#SPJ2
Your question is incomplete, but most probably your full question was.
There are 10 grams of fat 30 grams of carbohydrate and 4 grams of protein in the dessert. What percentage of calories comes from fat
1. 39.82%
2. 44.44%
3. 47.06%
4. 50.00%
Cells in the leaves of plants contain specialized structures called chlorplasts. How are chloroplasts related to the function of the leaf cells?
they help plants photosynthesise
which statement best describes how a catalyst can speed up a chemical reaction ?
A. the catalyst makes lower energy pathways available.
B. the catalyst increases the concentration of products.
C. the catalyst binds to enzymes to release substrates.
D. the catalyst increases the concentration of reactants.
A. the catalyst makes lower energy pathways available.
Answer:A
Explanation:
A Hydra is an aquatic organism that lives in fresh water. During reproduction an outgrowth begins to form on the parent. The outgrowth continues to develop into the daughter organism and eventually breaks off of the parent. Which type of reproduction does this represent? A.Budding b.Regeneration c. Vegetative propagation d. Binary fission
The correct answer is: A.Budding
This is the asexual reproduction of hydra which involves production of buds in the body wall. When the buds grow enough to be miniature adults and become mature, they break away and the new organism is formed. This can happen every two days if the conditions are good for hydra (enough food). When conditions are harsh, sexual reproduction occurs.
Answer:
The answer is Budding.
Explanation:
Got it correct on mastery test
What two skills or abilities are important for him to have to be successful quality control inspector
The two skills are understanding blueprints an technical documents and using specialized tools to test products.
A successful quality control inspector needs a strong attention to detail and problem-solving skills. The inspector must be able to detect any imperfections and determine the best method to correct any issues found.
Explanation:To be successful as a quality control inspector, two important skills or abilities are attention to detail and problem-solving skills. Attention to detail is crucial because quality control inspectors are responsible for identifying even the slightest imperfections or deviations from the set standards. They have to ensure that the products meet certain criteria and specifications. If they overlook or miss a fault, it could lead to larger problems down the line.
Problem-solving skills are equally important because once a problem is identified, the inspector needs to determine the best course of action to resolve it. This can involve a thorough analysis of the issue, developing an understanding of the cause and then implementing a solution to correct it.
Learn more about quality control inspector here:https://brainly.com/question/32329024
#SPJ2
The purpose of photosynthesis is to produce usable chemical energy or glucose from solar energy. If the formula for glucose is c6h12o6, how many atoms of hydrogen are used to produce the glucose
F a material has a hardness of 8, it cannot be scratched by a material with a hardness of 7. True false
What is the main characteristic of eusocial groups? seasonal migration periods of solitary behavior divison of labor cooperative hunting
Answer;
Division of Labor
Explanation;
Eusocial animals express complex behaviors, like group decision-making.
Eusocial animals share several characteristics which includes: adults live in groups, cooperative care of juveniles (individuals care for brood that is not their own), reproductive division of labor (not all individuals get to reproduce), and overlap of generations.
For example; Ants, termites and many species of bees and wasps form tightly integrated social groups in which permanently nonreproducing workers help rear the offspring of a few fertile individuals, the queens and males.
The main characteristic of said group is Division of Labor.
True or false only a producer can use the suns energy or chemical energy to make food
This is true good luck on your test.
The statement "only a producer can use the sun's energy or chemical energy to make food" is true.
Who are the producers?A producer is a person who develops and offers products or services. Producers combine labor and capital, also known as factor inputs, to produce, or turn into another thing.
Business firms are the primary producers that economists typically refer to when discussing producers. The only organisms that can harvest energy from sunlight or chemicals and use it to create food are plants, some algae, and specific bacteria.
These creatures are referred to as autotrophs. In environments without sunlight, such as some marine ecosystems, this process is known as chemosynthesis.
Therefore, the statement is true.
To learn more about producers, refer to the link:
https://brainly.com/question/24244844
#SPJ2
When you go down the food chain by keep asking the question what does it eat at what catogory of living things do you always end up
Herbivore.
Hope this helps!
which is not a major biogeochemical factor
Linn abuse used the____ language in his two-word naming system
What refers to the amount of a substance in a given space
Volume? Is that what you mean?
You are an ecologist who discovers a new species of algae living in the fur of the brown-throated sloth. whose system of naming will you use to classify this new organism?
Answer:
You will use the Linée Classification System
Explanation:
Linée, the naturalist, physician and teacher, created a system of classification and nomenclature of living things in 1735, which is still used today with few modifications.
In Linée's system, all living things are grouped into different categories. In all there are seven taxonomic categories. The largest and most comprehensive is the kingdom. Each kingdom is divided into phyla. Each phylum is subdivided into classes. Each class is subdivided into orders. Each order is subdivided into families. Each family is subdivided into gender. Each genus is subdivided into species.
The species is the basic category. In it are individuals who are capable of reproducing among themselves and of producing fertile descendants.
Thus, the Linée Classification and Naming System is the best system for an ecologist to correctly classify and name that algae.
the distance between the Earth and the Sun is quite large. Which numbers are correct distances between them? Check all that apply.
the distance between the earth and the sun is, I believe 92.96 million miles.
Answer:93 million miles
149.6 million kilometers
Explanation:
1. In osmosis, water always moves toward the ____ solution: that is, toward the solution with the ____ solute concentration.a. Isotonic, greaterb. Hypertonic, greaterc. Hypertonic, lesserd. Hypotonic, greatere. Hypotonic, lesser
Answer:
The correct answer will be option-B (Hypertonic, greater).
Explanation:
Osmosis is the movement of water molecules via a semi-permeable membrane which depends on the solute concentration of the solution.
The water always moves from low solute concentration with high water potential to high solute concentration with low water potential.
The hypertonic solution is the solution which contains a high amount of solute due to which water potential decreases. As a result of this water molecules will move to the hypertonic solution with less amount of water.
Thus, Option-B is the correct answer.
In a double-blind experiment _____.
the experimenter knows what the experiment is about
the experimenter knows what the experiment is about, but the people in the experiment do not
neither the experimenter nor the people in the experiment know what the experiment is about
both the experimenter and the people in the experiment know what the experiment is about
Answer:
In a double-blind experiment neither the experimenter nor the people in the experiment know what the experiment is about.
Explanation:
A double-blind experiment is when both parts lack information about the experiment, or the information that they have does not influence the results. Past experiences in the life of both experimenter and people on the experiment, can bias the results. To reduce or eliminate biases in the results, double-blind experiments are developed. Therefore, the people that designed the experiment do not administrate it.
How is a covalent bond formed between atoms?
A: by the sharing of protons
B: by the sharing of electrons
C: by the transferring of protons
D: transferring electrons
B. by the sharing of electrons
Answer choices A and C are incorrect because covalent bonds form as a result of electrons (protons are kind of irrelevant). Answer choice D is incorrect because it describes an ionic bond.
Further study topics: water polarity, hydrogen bonds, free radicals, valence electrons, and more!
Cells undergo differentiation during embryonic development. An individual skin cell develops differently from a muscle cell because
A) the cells have different DNA.
B) the cells have different genes.
C) the cells express different genes.
D) the cells have different chromosomes.
The correct answer is C). An individual skin cell develops differently from a muscle cell because the cells express different genes.
During embryonic development, cells differentiate into various cell types, such as skin cells, muscle cells, nerve cells, etc. This process is governed by the expression of different sets of genes within each cell, even though all cells in an organism typically contain the same DNA. Here's the reasoning behind the
A) the cells have different DNA: This option is incorrect because generally, all cells in an individual's body have the same DNA. There are exceptions, such as immune cells that undergo somatic recombination to create diversity in antibodies, but for the most part, the DNA is identical across cell types.
B) the cells have different genes: This option is also incorrect. As mentioned, all cells have the same set of genes because they all contain the same genome. The difference lies not in the presence of different genes but in which genes are active or silent.
C) the cells express different genes: This option is correct. While the DNA is the same across different cell types, the expression of genes varies. This means that different sets of genes are turned on or off, leading to the production of different proteins that dictate the cell's structure and function. For example, a skin cell will express genes that produce keratin, a protein important for skin structure, while a muscle cell will express genes that produce proteins like actin and myosin, which are crucial for muscle contraction.
D) the cells have different chromosomes: This option is incorrect because, with few exceptions, all cells in an organism have the same number and types of chromosomes. The exceptions include germ cells (sperm and egg cells) which have half the number of chromosomes, and some cancer cells that may have abnormal numbers of chromosomes. However, the differentiation of cells into different types is not due to having different chromosomes but rather the differential expression of genes on those chromosomes.
Therefore, the key to cell differentiation is the differential expression of genes, not the presence of different DNA, genes, or chromosomes.
What element is found it all organic molecules
Lipids enter the bloodstream directly after digestion. lipids enter the bloodstream directly after digestion.
a. True
b. False
Lipids, after being broken down, are absorbed by cells in the intestine, reformed into chylomicrons, and are transported through the lymphatic system before they eventually enter the bloodstream. They do not, thus, enter the bloodstream directly after digestion.
Explanation:The statement 'lipids enter the bloodstream directly after digestion' is false. Lipids are indeed broken down during digestion, but they enter the bloodstream via a slightly indirect route. During digestion, triglycerides, a type of lipid, are broken down into smaller fatty acids and monoglyceride molecules in the intestine. These smaller molecules are then absorbed by absorptive cells called enterocytes in the small intestine.
However, unlike other nutrients such as amino acids and monosaccharides, lipids don't travel directly to the bloodstream. Inside the enterocytes, the fatty acids and monoglycerides are recombined to form triglycerides again, which are then packed into vesicles called chylomicrons. These chylomicrons are released from the enterocytes and enter lacteals, which are tiny lymphatic vessels present in the intestine.
From the lacteals, chylomicrons travel through the lymphatic system and eventually reach the bloodstream. It is in this way that lipids enter the bloodstream, but not directly immediately after digestion.
Learn more about Lipid Absorption here:https://brainly.com/question/32668779
#SPJ11
At which map location does polaris appear the highest in the nighttime sky
The Polaris appears the highest in the nighttime sky in Miami , Florida.
Polaris or a pole star or polar star is the brightest star in the constellation of Ursa Minor. It is very close to the north celestial pole, making it the current northern pole star. It is closely aligned to the axis of rotation of an astronomical object.
What is the main type of energy used to help convert metamorphic rocks into igenous rocks in the rock cycle
PLEASE HELP
Interpreting the results of an experiment requires critical thinking skills and the ability to make connections across data. Which skill would most likely benefit a scientist who is doing this?
Creativity
Inflexibility
Time management
Memorization
d memorization
hope this helped <3