Sedimentary rocks cannot directly form igneous rocks because they need to undergo changes under intense heat and pressure.
What are sedimentary and igneous rocks?Sedimentary rocks are rocks which are formed from the deposition of organic materials which accumulate at the earth's surface.
Igneous rocks are rocks which are formed from the cooling of molten magma.
Sedimentary rocks cannot directly form igneous rocks because they need to undergo changes under intense heat and pressure.
In conclusion, sedimentary rocks must undergo metamorphosis to form igneous rocks.
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CRITICAL THINKING
Precursors of an animal germ cell has 12 ng of DNA in it G1 phase what would be amount of dna in
its each daughter cell immediately after meiosis?
A.24 ng
B. 12 ng
C. 6 ng
D. 3 ng
Answer:
Option D. 3ng
Explanation:
hope it helpss
The glucose-making part of photosynthesis takes place in the.
grana
thylakoids
stroma
Answer:
The glucose making part of photosynthesis takes place in the stroma
explanation:
Stroma is the colorless liquid that surrounds the grana in the chloroplast inside plant cells. The stroma contains grana, and stacks of thylakoids in which photosynthesis is started before the chemical changes are completed in the stroma itself. The stroma functions by synthesizing organic molecules from water and carbon dioxide. In the stroma, an enzyme removes the carbon from carbon dioxide, and then combines it with hydrogen and oxygen and to form a simple carbohydrate molecule (glucose).
Which statement accurately describes how the understanding of the Doppler effect is applied to the study of
galaxies?
It was used by Hubble to measure the velocities of galaxies.
It was used to monitor galaxy motion through changes in sound waves.
It indicates a galaxy moving toward Earth through red shift.
It indicates a galaxy moving away from Earth through blue shift.
The understanding of the Doppler effect is applied to the study of galaxies because It was used by Hubble to measure the velocities of galaxies. That is option A.
What is Doppler effect?Doppler effect is defined as the difference that occurs between two different frequencies of sounds that emanates from two different sources.
The scientist, Edwin Hubble , was able to use the Doppler effects to determine that the universe is expanding.
Therefore, the study of Doppler effect is applied to the study of galaxies because It was used for the measurement of its velocities.
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Answer:
It was used by Hubble to measure the velocities of galaxies
Explanation:
Which statement accurately describes how the understanding of the Doppler effect is applied to the study of galaxies?
It was used by Hubble to measure the velocities of galaxies.
It was used to monitor galaxy motion through changes in sound waves.
It indicates a galaxy moving toward Earth through red shift.
It indicates a galaxy moving away from Earth through blue shift.
A hairdryer uses 1500 J of electrical energy in 1 second. The hairdryer changes 1300 J of this to useful thermal energy in 1 second. Calculate the quantity of energy that is wasted by the hairdryer in 1 second. Show your work.
200 J of energy is wasted by the hair dryer.
Steps
The hairdryer is provided with 1500 J of electrical energy per secondOf this 1500 J, 1300 J of energy is actually used and converted to useful thermal energy per secondThe remaining energy, 1500 - 1300 = 200 J is dissipatedDissipated energy
The energy that is not efficiently transported or changed is wasted energy. We cannot create or destroy energy. An employable type of energy is created through transformation. Only a portion of energy that is changed or transferred can be done so in a way that is helpful.Thus, 200 J of energy is wasted by the hair dryer.
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Which of the following pieces of fossil evidence supports the theory that the continents were once joined?
A. Fossilized coral has been found in places that are cold today.
B. Fossils of dinosaurs have only been found in North America.
C. Fossils of identical seed ferns have been found in South America, Australia, and India.
D. Human fossils have been found on several continents.
which would not be a good way for you to reduce your enviromental foot print
Mendel used over 28,000 pea plants in his experiment. How does this large sample size make his results more reliable?
Answer:
When u have a larger population at hand the chances of your predictions being right are higher.
Question 10
What are some general characteristics of chondrin that make
it adaptive to the function of cartilage?
Answer:
Like hyaline, elastic cartilage also has single or multiple chondrocytes housed within spaces called lacunae. The extracellular matrix of elastic cartilage contains higher levels of type II collagen.
A long-haired black rabbit male mates with a female bunny that is short haired with a black coat assume the mail is pages for the black hair color and the female is heterozygous for both traits what are the genotypes and phenotypes of the offspring from this cross
As the male is long-haired with a black coat means genotype Bbss and the female is having short hair and black coat means genotype BbSs. The offspring genotype can be BBSs, BBSs, BbSs, and bbss.
What is a genotype?In a broad sense, the term "genotype" refers to an organism's genetic makeup; in other words, it describes an organism's entire set of genes. In a narrower sense, the term can refer to the alleles, or variant forms of a gene, that an organism carries.
Black hair in rabbits is determined by a dominant allele, B, and brown hair by a recessive allele, b. Short hair is caused by a dominant allele, S, whereas long hair is caused by a recessive allele, s.
The Punnett square for the given scenario can be shown in the image attached below:
Thus, these can be the genotype of the offspring.
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Why can't we see the Moon during the new moon phase? Select all that apply.
The Earth is between the Moon and the Sun.
The Moon is between the Earth and the Sun.
The Moon's lighted side is facing the Sun.
The Moon's dark side is facing the Earth.
Which best describes the scientists who contributed to our body of knowledge
Answer: you didn't give the options to choose from.. comment on this with the options to choose from so i can help you please
Explanation:
Column 1 would be on the x-axis, and Column 2 would be on the y-axis. Which best lists the titles of each column?
Column 1 should be titled “Time,” and Column 2 should be titled “Velocity.” Thus, option "A" is correct.
What is velocity & speed?
Speed is the time pace at which an object is rolling along a path, while velocity is the pace and direction of an object's movement.
Thus, option "A" is correct.
Column 1 would be on the x-axis, and Column 2 would be on the y-axis. Which best lists the
titles of each column?
Column 1 should be titled “Time," and Column 2 should be titled "Velocity.”
Column 1 should be titled "Velocity," and Column 2 should be titled “Time."
Column 1 should be titled "Time," and Column 2 should be titled "Acceleration."
Column 1 should be titled "Acceleration," and Column 2 should be titled “Time."
93
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How do acacia trees communicate with each other in response to insect attack?
O They produce a gas called ethylene.
O They drop their leaves.
O They release pollen.
O They produce thorns and spines
Acacias communicate with each other in response to insect attack by producing a gas called ethylene.
How do acacias communicate?When antelopes begin to eat the leaves of an acacia tree, the tree emits a signal of ethylene gas into the air through the pores of its leaves. This signal can travel up to 45 meters warning other nearby trees of the presence of herbivores. Once the signal is received, acacias begin to produce tannin in their leaves in amounts that are lethal to antelopes.
With this information, we can conclude that Acacia trees, when eaten by grazing giraffes, release ethylene gas, which prompts other acacias to flood their leaves with bitter tannins.
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Mr. Devereaux's students were in science lab trying to identify biomolecules: carbohydrates, fats and proteins. During the lab experience, Assistant Principal Haskins came in to evaluate the teacher and the learning environment. Ms. Haskins reacted positively to the fact that the students were conducting a hands-in investigation, but she reacted negatively to the overall classroom environment. Take a look at one lab group. Justify Ms. Haskins' concern. What procedures should Mr. Devereaux have followed before the lab began?
Your teacher will probably go over the lab procedures with you and your classmates before you lead an experiment.
You will often receive a printed guide that describes the experiment in depth in addition to verbal instructions, frequently with pictures and drawings.
It's important to pay attention as your teacher goes over the directions so you can complete the experiment correctly and securely when class starts.
What precaution should we take while experimenting in lab?Be careful when handling chemicals, reagents, and stains, and heed all instructions. The contents and any potential hazards are listed on the labels of all bottles and containers. Avoid contact with the chemical and fumes, for instance, if the label instructs you to.
Your teacher will probably go over the lab procedures with you and your classmates before you lead an experiment.
You can keep yourself safe in the lab with the appropriate clothing and tools. Depending on the experiment, your teacher should provide you with particular directions on what to wear to each class as each one calls for the use of various tools and substances that have varying degrees of hazard.
Though they are not something you should be preoccupied by, as mentioned above, accidents in school laboratories are rather common. Your teacher should review with you what safety equipment your lab contains.
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Why are peer review and replication essential to reporting scientific work?
Answer:
Within the scientific community, peer review has become an essential component of the academic writing process. It helps ensure that papers published in scientific journals answer meaningful research questions and draw accurate conclusions based on professionally executed experimentation.
All animals are
a. polytrophs
b. heterotrophs
c. autotrophs
d. biotrophs
All animals are heterotrophs
This means that all animals cannot produce their own food by themselves but depend on other organisms for food.
What is heterotrophic nutrition?Heterotrophic nutrition is a special type of nutrition in which animal depends on other organisms for food substances.
Animals which feed or depend on other organisms for food are known as heterotrophs.
So therefore, all animals are considered heterotrophs
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What is the difference between moons and dwarf planets?
A - dwarf planets orbit the Sun
B- Moons orbit the Sun
C- dwarf planets orbit other planets
D- moons orbit asteroids
Answer:
A- dwarf planets orbit the sun
Dwarf planets orbit other planets. Therefore, option (C) is correct.
The primary distinction between moons and dwarf planets lies in their respective orbits. Moons are natural satellites that encircle planets, whereas dwarf planets directly orbit the Sun. Moons are celestial entities that revolve around larger planets, functioning as their satellites. A notable illustration is the Earth's moon, which is a natural satellite revolving around the Earth.
Conversely, dwarf planets are celestial bodies that orbit the Sun but have not successfully eliminated other debris from their orbital paths, in contrast to fully recognised planets. Pluto serves as a prominent example of a dwarf planet within our solar system. While it orbits the Sun akin to a planet, it also shares its orbit with other objects situated in the Kuiper Belt. Therefore, option (C) is correct.
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What’s this answer please
Answer:
A.) I
Explanation:
The first one is the most likely to be solid at room temperature because it is the only structure depicting a saturated fat.
Saturated fats have no double bonds between the carbons in the parent chain. This allows the molecules to assume very compact positions, causing it to be solid at room temperature.
Unsaturated fats have these double bonds which bend the structure. These "kinks" in the molecule are what make unsaturated fats liquid at room temperature.
Which is a new interdisciplinary subject meant to store and organize biological data?
A. Biochemistry
B. Biotechnology
C. Bioengineering
D. Bioinformatics
Answer:
Bioinformatics is correct answer.
Explanation:
Yea, any questions?
ask me then.
8. Which of the following organisms can be heterotrophic and/or autotrophic? a. Volvox b. Euglena c. Oscillatoria d. a, b, and c e. a and b only
Answer:
D
Explanation:
Volvox, Euglena, and Oscillatoria are all autotrophic
What if the surface of a bacteria cell was not very antigenic? What would this mean for the host
If the surface of a bacteria cell was not very antigenic then it can enter host cells and eventually cause harm.
What is an antigen?An antigen is any molecular structure present in a pathogenic organism (e.g., bacteria) that can be detected by the immune system.
Antigens usually bind to antibodies that are able to bind specific antigenic features and thus trigger a concomitant immune response.
In conclusion, if a bacteria cell was not very antigenic then it can cause harm.
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What are the three measures of life’s variations?
Answer:
What are three measures of life variations?
Species diversity, genetic diversity, ecosystem diversity
Explanation:
Biodiversity
The amount of biological or living diversity per unit area. It includes the concepts of species diversity, habitat diversity and genetic diversity.
I hope this helps and have a great day!
Tristan wraps some gifts and then brings them to the post office where they are delivered to people in different parts of the country. Which organelle is Tristan most like?
The Golgi apparatus (body) is the organelle that is similar to Tristan's work.
What is the Golgi apparatus?The Golgi apparatus is an organelle responsible for transporting proteins and fats (lipids) in the cell.
The Golgi apparatus is also responsible of chemically modifying these transported proteins.
In conclusion, the Golgi apparatus is the organelle that work as Tristan.
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What happens during prophase?
A) chromosomes are copied, and the nuclear membrane disappears
B) nuclear membranes form around two sets of chromosomes
C) spindle fibers pull the sister chromatids apart
D) chromosomes condense, and mitotic spindles form
Answer:
d
Explanation:
During prophase, the chromosomes condense and centrosomes move to opposite sides of the nucleus, initiating formation of the mitotic spindle.
What are the phases in meiosis and explain
Cell division happens twice during meiosis. One starting cell can produce for gametes (eggs or sperm.) In each round of division, cells go through four phases called prophase, metaphase, anaphase, and telophase.
prophase During prophase the chromosomes become visible as paired chromatids and the nuclear envelope disappears. This phase includes reduction division, which is where the number of chromosomes is decreased from 46 (diploid) to 23 (haploid.)
metaphase This is where the 23 remaining chromosomes become attached to the spindle fibers.
anaphase During this phase, the chromosomes move away from each other to one or the other pole of the spindle fiber.
telophase In which the chromatids or chromosomes move to opposite ends of the cell and two nuclei are formed.
interphase This is a resting period.
When a total lunar eclipse happens, the Moon is in the Earth's:
penumbra shadow
umbra shadow
A microscope has a low-power magnification of 200x and a high-power magnification of 1600x. If the low-power field diameter is 1.2 mm, calculate the high power field diameter in micrometers
The diameter of the high power field in micrometers is 9600 micrometer (9.6 mm).
[tex]\frac{200}{1600} =\frac{1,2}{x}[/tex] = 9,6 mm
What are microscope lenses?Compound microscope lenses are called objective lens and ocular lens. The objective lens is a lens that is installed very close to the object being observed. The ocular lens is very close to the observer's eye.
With this information, we can conclude that the high power field in micrometers is 9600 micrometer (9.6 mm).
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The main steps of photosystem 2 include which of the following
Incomplete Question options not given
Photosystem II is the first protein complex in oxygenic photosynthesis's light-dependent processes. It is found in plants, algae, and cyanobacteria's thylakoid membrane.
The thylakoid membrane, which is a part of the chloroplast in plant cells, is where Photosystem I and Photosystem II are found.The products of the light dependent processes are delivered to the light independent reactions as ATP and NADPH.Water molecules are divided into oxygen atoms and hydrogen ions when photosystem II pulls replacement electrons from them.The thylakoid compartment retains the hydrogen ions from the water.High energy electrons are transferred from Photosystem II to Photosystem I in the electron transfer chain.The high-energy electrons in the photosystem received energy from sunlight while they were there.Photosystem I releases high-energy electrons into the atmosphere.The high energy electrons join NADP+ and a hydrogen ion after going via an electron transfer chain.ADP and Pi are combined to create ATP with the help of hydrogen ions passing via the ATP synthases.
So to conclude with we can say that the initial protein complex in the light dependent processes of oxygenic photosynthesis is called photosystem II. It may be found in plants, algae, and cyanobacteria's thylakoid membrane.
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A researcher investigates a blood disease carried by birds. She isolates an organism from the blood of an infected bird. She finds that the
organism is unicellular and has a nucleus, a cell wall, and the ability to produce spores. What kingdom does the organism belong to?
O A. bacteria
O B. sarcodina
• C.
protista
• D.
archaea
Match each biodiversity restoration method to its description.
tiles
reforestation
biological augmentation
bioremediation
Chart
using plants to control a native plant population
using plants to absorb harmful compounds
using plants to increase biodiversity and food resources
Match each biodiversity restoration method to its description we have:
reforestation: using plants to absorb harmful compoundsbiological augmentation: using plants to control a native plant populationbioremediation:using plants to increase biodiversity and food resourcesWhat are ecological restoration techniques?Some examples of induced ecological restoration methodologies are the conduction of natural regeneration, nucleation techniques, enrichment or diversity planting, among others.
In this case, the ecological restoration techniques are:
reforestation: using plants to absorb harmful compoundsbiological augmentation: using plants to control a native plant populationbioremediation: using plants to increase biodiversity and food resourcesSee more about ecological restoration at brainly.com/question/1331136
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Answer:
using plants to control a native plant population- Biological Augmentation
using plants to absorb harmful compounds- bioremediation
using plants to increase biodiversity and food resources- reforestation
Explanation:
Just did the edmentum test and this is correct