Answer:
Nicotine is the main addictive drug in tobacco that makes quitting so hard
Answer:
It is hard for them because that's what makes them feel better and that is what the want each time they are stressed or they can even smoke 20 times in a hour.
Explanation:
Hope i helped :)
Describe fertilisation in terms of cellular and intracellular changes. I will be very happy if someone answer this I will give them brainly and likes
Answer:
during this process the nucleic of the male and female gametes are fused in order to create a zygote .known as fertilisation.Gametes contain half the number of chromosomes of all other cells in the organism .Meaning they are haploid .
Cells responsible for fertilisation:
fertilisation is the fusion of the nucleus of a male gamete with the nucleus of a female gamete ,producing a new cell called a zygote
hope it helps
Please help asap please!
How many grams of salt are in 5 L of a solution with a concentration of 3 g/L?
Answer:
Three grams per liter times five liters tells us that there are fifteen grams of salt in this five liter solution.
Explanation:
i hope this helps
mark brainlyest
To take in matter or energy
collection
liver
composition
absorption
Ok
Where do each of the elements (letters) in glucose comes from during the process of photosynthesis.
Answer: From carbon dioxide and water
Explanation:
Glucose is a type of carbohydrate which is produced as a product of the biochemical reaction that is photosynthesis. Carbon dioxide and water are the reactants used for the synthesis of glucose. The carbon dioxide is obtained from the atmosphere and water from the roots. Carbon, hydrogen, and oxygen are the elements that are present in the carbohydrate through reactants named carbon dioxide and water.
Elements that have the same number of protons but a different number of neutrons in the nucleus are called
A periods.
B metalloids.
C groups.
D isotopes.
Moving a book to a lower shelf decreases potential energy.
True
False
Answer:
True
Explanation:
Moving a book so the potential energy of the system decreases is a true statement.
What is potential energy?A book's potential energy is reduced when it is moved to a lower shelf. A charge's electric potential energy is decreasing if it is traveling in the direction that it would typically go.
A charge's electric potential energy increases if it is pushed in the opposite direction from how it would ordinarily travel.
Since the potential at the Earth's surface is zero, gravity always has a tendency to draw items toward the planet's center, this causes the potential energy to be reduced.
Therefore moving the book to a lower shell change potential energy, which decreases.
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Some cells can die as a result of external agents suck as poison or trauma. However, most cells die through a process known as apoptosis, or programmed cell death. What is a likely consequence of a mutation that prevents apoptosis
Answer: A tumor
Explanation:
A mutation that prevents apoptosis can disrupt the normal cellular mechanisms that prevent tumor formation, and lead to the uncontrolled growth of cells that could ultimately cause cancer.
What is apoptosis?A mutation that prevents apoptosis, or programmed cell death, can have several consequences. One of the most significant consequences is the accumulation of damaged or abnormal cells, which can lead to the development of tumors and cancer. Apoptosis is a natural process that eliminates cells that are no longer needed or that are damaged beyond repair. This process is essential for maintaining tissue homeostasis and preventing the growth of abnormal cells.
When cells are prevented from undergoing apoptosis, they may continue to divide and proliferate uncontrollably, leading to the formation of a mass of cells known as a tumor. This is because cells that have undergone DNA damage or that have other abnormalities are normally eliminated through apoptosis to prevent the accumulation of cells that could become cancerous.
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Is a person who inherits a single allele for Huntington’s disease likely to develop the disorder? If so, when during his or her lifetime?
Answer:
Huntington's disease is caused by an inherited defect in a single gene, meaning yes it is likely. more likely will get symptoms between the ages of 30-40s
indicate two agricultural practices related to each biome
Answer:
bugs
Explanation:
bugs and bees its B
What would be different about earth today if Pangea never broke
Answer:
Image result for What would be different about earth today if Pangea never broke
The rain which comes from the ocean wouldn't be able to travel far enough inland — leaving parts of Pangea practically uninhabitable by humans and other species. And weather up north would be different too, with Russia being much warmer than it is today.
Explanation:
Answer:
The world would just be a large clump of land with little to no space between country's
Explanation:
This could result in many situation, like more fighting over land, less need for boats, and many other situations
5. The center of your skeletal system is your backbone?
(1 Point)
true
False
help
Answer:
True
Explanation:
3
What is the most likely cause of plate movement?
Answer:
earthquake
Explanation:
Black holes are inviable because they don't reflect light? true or false
Answer:
False
Explanation:
I think I hope this helps If so can u add brianlist
Why
laboratory rats kept and studied in the exclusion zone?
What is the relationship between ATP and mitochondria?
Answer:
mitochondria produces energy in the form of ATP molecules
what two types of cells contain chloroplast
Answer:
Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis
Explanation:
helpp me plz it would mean alot
Answer:
Codon
Explanation:
mRNA bases are grouped into sets of three, called codons.
Termites are unable to digest some plant materials (fiber). Termite stomachs contain bacteria that digest the fiber in wood for the termites. In turn, the bacteria are provided with a hospitable environment to carry out their life processes.
commensalism
mutualism
parasitism
competition
The relationship between the termite and bacteria is called mutualism.
What is mutualism?Mutualism is the kind of relationship between two organisms in which both organisms benefit from one another.
According to this question, termite stomachs contain bacteria that digest the fiber in wood for the termites. In turn, the bacteria are provided with a hospitable environment to carry out their life processes.
This means that both the termite and bacteria are benefitting from the relationship, hence, is a type of mutualism.
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The relationship described between termites and the bacteria in their stomachs is an example of mutualism. So, the correct option is B.
What is Mutualism?A symbiotic relationship in which both organisms benefit from the interaction is known as mutualism. In this example, the bacteria give the termites the ability to digest the fiber in wood, which they are unable to digest on their own, in return for the bacteria providing the termites a hospitable environment to live and carry out their life activities.
A specific type of mutualism known as "symbiosis," in which the species involved live in close association with one another for extended periods of time, as illustrated by the termite-bacteria mutualism. These kinds of mutualistic connections are prevalent in nature and can involve a wide range of creatures, including microbes, plants, and insects.
Therefore, the correct option is B.
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Pls help I’m literally so confused
Answer:
IT IS D
Explanation:
i did this and it was d
Answer:
D
Explanation:
Which of the following statements about energy producing technologies is true?
A. Some currently used energy producing technologies have no disadvantages
B. Alternatives to non-renewable energy sources can be as effective
C. Air pollution is common to all energy producing technologies
D. Alternatives to non-renewable energy sources are typically more damaging to the environment
Answer:
b. Alternatives to nonrenewable energy sources can be as effective.
Explanation:
Answer: b. alternatives to non-renewable energy sources can be as effective
hope this helps :)
Explanation:
i just took the test
PSYCHOLOGY
Briefly describe the relationship between hormones, emotion, and external behavior
what does a centromere hold together?
Answer:
Structure in a chromosome that holds together the two chromatids
Explanation:
two functions of the anther and why it attracts insects.
Answer:
yeah
Explanation:
Produce male sex cells (pollen grains)
Nuclear reactors do not create energy, instead they convert
Answer: The answer is A. Hope this helped
Matt use a camera to take a picture of a rose on a piece of paper in the picture the rose appear to be bright red and the background appear to be white then Matt place a blue glass filter over the camera lens and took another picture in this picture of the Rose appear to be black in the background appear to be blue explain what happens to light waves to make the appearance of the rules in the appearance of the background different in the two pictures.
The blue glass filter absorbed most of the red light waves and allowed only the blue light waves to pass through, resulting in the appearance of the rose and the background being different in the two pictures.
What is Light?
Light is a form of electromagnetic radiation that is visible to the human eye. It is a type of energy that travels in straight lines and has both wave-like and particle-like properties. Light is a fundamental part of our world and plays a crucial role in our lives.
Light is produced by the motion of charged particles, such as electrons, and can be emitted by sources such as the sun, light bulbs, and fires. Light travels at a constant speed of approximately 299,792,458 meters per second in a vacuum, which is known as the speed of light.
When Matt took the first picture of the rose on a piece of paper without any filter, the camera captured the visible light waves that were reflected by the rose and the background. The rose appeared bright red because it reflects mostly red light waves and absorbs other colors, and the background appeared white because it reflects all the visible light waves equally.
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Identify the wave that has the highest amount of energy
Answer:
the tallest one
that is the amplitude
would you rather get hit by which wave if it were water?
Explanation:
Complete this sentence to create an argumentative claim .
Rosa Park's act of civil disobedience was a pivotal moment in the civil right movement
A) that brought national attention to the harsh realities of jim crow laws
B) that inspired other advocates of her generation and generation to come
C) and her efforts should be commemorated by putting her image on a pice of us currency
D) but at the time she did not know her single action would ignite a firestorm of protests and boycotts.
Answer: bbb
Explanation:
Injunction
Which feature of deforestation has the greatest effect on the atmosphere?
extinction of forest animal species
increased risk of flooding
reduction of photosynthesis
soil erosion
Answer:
I'd say reduction of photosynthesis
Explanation:
This is because the atmosphere is mainly made up of gases and photosynthesis involves some certain gas exchange and evolution.
Remember there's room for correcting me since this answer is based on my thinking
The soil around a lilac bush was watered with a solution containing
radioactive phosphorus. Several hours later, radiation was detected in it’s
branches. Through which structures did the radioactive phosphorus read
the branches?
A. stomata
B. guard cells
C. xylem vessels
D. phloem vessels
Answer:
I think its D
Explanation:
Review the Background Information and answer the questions: What is the difference between microevolution and macroevolution? Fill in the blanks: Godfrey Hardy and Wilhelm Weinberg independently derived mathematical descriptions of the relation between allele proportions and genotype proportions. This simple model considers _____ gene with _____ alleles, and makes the prediction the ___________________________ __________________________________________________________________________________________________________
Answer and Explanation:
Due to technical problems, you will find the complete answer and explanation in the attached files