What caused the tree trunks to turn from light to dark in color?

Answers

Answer 1
It was pollution from the industrial revolution that caused tree trunks to turn from light to dark in color.

Related Questions

Name two prey adaptations how does each adaptation protect the organism

Answers

Final answer:

Prey utilize adaptations such as camouflage to blend with their environment and mimicry to imitate more dangerous organisms, both of which enhance their survival prospects by discouraging predation.

Explanation:

Two prey adaptations that help protect organisms from predators include camouflage and mimicry. Camouflage allows prey to blend in with their surroundings, making it harder for predators to spot them. This can involve coloration, patterns, or shapes that resemble the environment. For example, a moth with wing patterns that resemble tree bark would be less visible to both predators and competitors. Mimicry, on the other hand, involves an organism adopting the appearance of another, usually more dangerous or unpalatable species. A classic example is a non-poisonous dart frog mimicking the bright colors of a poisonous species, thus deterring predators who might mistake it for the toxic variety.

N ________ a single sperm cell from the man is injected using a microscopic needle, directly into each harvested egg from the woman. the resulting zygote is then transferred after a few days into the woman's uterus.

Answers

Microinjection is a simple mechanical process usually involving an inverted microscope with a magnification power of around 200x (though sometimes it is performed using a dissecting stereo microscope at 40–50x or a traditional compound upright microscope at similar power to an inverted model).

After Dante catches the flu virus, he feels very tired and loses his appetite. His body aches and he gets a high fever. Which best describes Dante’s symptoms? they are a response to an infection, which is an internal stimulus they are a response to being tired, which is an external stimulus they are a response to hunger, which is an internal stimulus they are a response to an illness, which is an external stimulus

Answers

it would be which is an internal stimulus they are a response to an illness

Answer:

it would be which is an internal stimulus they are a response to an illness

Explanation:

Which water-soluble vitamin can regenerate vitamin e after it has been oxidized? vitamin b6 folate vitamin c vitamin b12?

Answers

It is vitamin C that can regenerate vitamin E after it has been oxidized.

Vitamin C can regenerate vitamin E after it has been oxidized. So, the correct option is (C).

What are vitamins?

A vitamin is defined as an organic molecule that is an essential micronutrient that an organism requires in small amounts for the proper functioning of its metabolism. Essential nutrients cannot be synthesized in the organism, either at all or not in sufficient amounts, and must be obtained through the diet.

These are a group of substances that are essential for normal cell function, growth and development. There are 13 essential vitamins needed by the body to function properly.

There are two types of vitamins: water-soluble and fat-soluble. Fat soluble vitamins involve vitamins A, D, E, and K. Water soluble vitamins involve vitamin C and the collection of B vitamins, Vitamin C can regenerate Vitamin E after been oxidized.

Thus, Vitamin C can regenerate vitamin E after it has been oxidized. So, the correct option is (C).

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The goal of computer forensics _____.

is to obtain all the evidence available
is to maintain a secure environment
is to analyze the evidence and determine what happened
is to produce admissible evidence without altering any of the information

Answers

The goal of computer forensics is to obtain all the evidences available and then to analyse the evidence and determine what has happened. At the same time it goal is to produce admissible evidence without altering any of the information.

Answer:

The answer is option D.

Explanation:

The objective of PC crime scene investigation is to acquire every one of the confirmations accessible and after that to examine the proof and figure out what has occurred. In the meantime it objective is to create acceptable proof without adjusting any of the data.

Which of the following is an example of active transport?
chromosomes migrating during cell division
water diffusing throughout the cytoplasm of a cell
cilia moving rapidly to propel a single-celled organism through water
proteins moving ions from low to high concentration across a cell membrane

Answers

I think it is the proteins moving one :)

Proteins move ions from a lower concentration to a higher concentration across a cell membrane is an example of active transport. Therefore, option D is correct.

What is active transport?

Active transport is a cellular process in which molecules or ions are moved against their concentration gradient, from an area of lower concentration to an area of higher concentration. It requires energy input from the cell in the form of ATP (adenosine triphosphate) or another source of energy.

It can occur through various mechanisms, including primary active transport. It directly uses energy from ATP hydrolysis. Secondary active transport uses the energy from the electrochemical gradient established by primary active transport to move other molecules or ions against their concentration gradient. Therefore, option D is correct.

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BRAINLIEST ASAP!
The diagram below shows four processes, A, B, C, and D, by which carbon circulates between the atmosphere, plants, and animals.
Which process represents eating?
Process A
Process B
Process C
Process D

Answers

The answer is Process D because:

In Process D, the plants go to the animals, and animals eat plants.

~Hope this helped~

The process that represents eating in the processes illustrated in the diagram is process D because animals feed on plants.

What is carbon cycle?

Carbon cycle is a physical cycle of carbon through the Earth’s biosphere, geosphere, hydrosphere and atmosphere.

The carbon cycle includes such processes as photosynthesis

decompositionrespirationcarbonification

According to this question, four processes are depicted in the image. However, the process that illustrates eating is process D because animals feed on plants.

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molecules tend to move from an area where they are more concentrated to an area where then are less concentrated. this process is called________?

Answers

The process is called diffusion hope it helps

Irreversible nerve damage may be caused by excessive intake of _______ supplements.

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The answer is the vitamin B 6 supplement can cause irreversible nerve damage. Taking too many vitamins can cause also a toxic effect on our body.  Too much vitamin B6 can also cause oversensitivity to sunlight, which can lead to skin rashes and numbness, as well as nausea, vomiting, abdominal pain, loss of appetite, and abnormal liver function.

The plate pictured is from a past student. what is the most likely conclusion?

Answers

It was practiced and taught to them firstly.

Among all the hydrothermal areas in the world, the greatest concentration of activity is along the firehole river in ________. among all the hydrothermal areas in the world, the greatest concentration of activity is along the firehole river in ________. iceland california south africa wyoming spain

Answers

Among all the hydrothermal areas in the world, the greatest concentration of activity is along the Firehole river in Wyoming. The Firehole River is located in northwestern Wyoming, and is one of the two major tributaries of the Madison River. The river flows north about 34 km from its source in Madison Lake on the Continental Divide. 

The correct answer is D. Wyoming

Explanation

Hydrothermal activity is a natural phenomenon that originates similarly to volcanic activity, because a crater is formed that emanates water at high temperatures from time to time, this is due to the fact that in the earth's crust it forms cabins in which it is housed the water, which heats up with the magma causing the pressure to increase, which causes the water to be fired by the crater.

The Firehole River is an American river thirty-four km long, located in the state of Wyoming in the northwest of the country, this river is characterized by hydrothermal activity, it is also part of the Yellowstone National Park where it is at least half of the geothermal activity in the world. This river runs until it connects with the Gibbon River, additionally, it is part of the system of rivers that make up the Missouri River. So, the correct answer is D. Wyoming.

In which part of a flower is pollen produced

Answers

Pollen is produced in the stamen.

Stamen is the male reproductive part of a flower that produces pollen. The stamen is composed of a slender filament and a compact body called anther. The anther within the stamen is where pollen is produced. The anther is supported by the filament. Hundreds of stamens or only few stamens may be found in a flower.

Answer: Pollen is produced in the stamen.

Explanation:

Protein's structure formed by folding, coiling, and aggregation of polypeptides that is induced by distant residues in the chain is called what?

Answers

Protein's structure formed by , folding, coiling and aggregation of polypeptides that is induced by distant residues in the chain is called the Quaternary structure of proteins. It is the number and arrangement of multiple folded protein subunits in a multi-subunit complex. A variety of bonding interactions including hydrogen bonding, salt bridges, and disulfide bonds hold the various chains into a particular geometry. 

Hurricanes generally are ________.
a.larger than tornadoes
b.smaller than mid-latitude cyclones
c.areas of heavy rainfall and strong winds
d.all of these

Answers

C. areas of heavy rainfall and strong winds
im 99% sure that the answer is D. all of the above

According to the cellular clock theory, after about 70 or 80 replications, the cell can no longer reproduce and the ________ are dramatically reduced.

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According to the cellular clock theory, after about 70 or 80 replications, the cell can no longer reproduce and the telomeres are dramatically reduced.  

Cellular clock theory is one of the biological theories of ageing. Leonard Hayflick first suggested this theory and he found that cells can divide maximum 100 times during the life. He showed that cells isolated from individuals between 50 and 70 years old had divided fewer than 100 times and that the total number of cell divisions was roughly related to the age of the individual.

Which statement correctly describes the diagram?
A) The products of photosynthesis cannot be used by other organisms.
B) The products of respiration can be used by plants for photosynthesis.
C) The exchange of oxygen and carbon dioxide occurs only in respiration.
D) The exchange of oxygen and carbon dioxide occurs only in photosynthesis.

Answers

Right Letter B jsjsjk
B) The products of respeiration can be used by plants for photosynthesis.

What type of biome exists where it is both very cold and very dry?

Answers

tundra bios is both extremely dry but,cold.

Corrina is a 25-year-old pregnant woman. her need for _____ is 50% higher than before she became pregnant. folate calcium vitamin d vitamin c

Answers

Answer: folate 

In pregnancy, some of the nutrient need will be increased because the mother needs to supply for the child too. One of the substances that needed by the child would be folate. It is needed to form the neural tube that will become the nervous system, the brain and the spine.
Folate or folic acid can be found in green leaves vegetables.

the part of the stomach that lies above the esophagus is the:the part of the stomach that lies above the esophagus is the:

Answers

The correct answer is the fundus.

The stomach is divided into parts of which the fundus is the second; it stores all the undigested food and the gases that are released from the chemical breakdown of the food we eat.

What list is composed of substances widely used for many years without apparent ill effects?

Answers

The list that is composed of substances that are widely used for many years without apparent ill effects is the GRAS. GRAS is an abbreviation for generally recognized as safe; it is an American food and drug adminstration designation where chemical or substance added to food is considered safe by experts, and therefore, it is exempted from the usual federal food, drug, and cosmetic Act. 

Without the greenhouse effect the earth would be _______ than it is today.
a. warmer
b. drier
c. colder
d. wetter please select the best answer from the choices provided

Answers

Without the greenhouse effect, the earth would be colder than it is today.  
Life would be completely different without greenhouse gasses in the atmosphere because of their importance in maintaining average global temperatures. Without these gasses, planet's average temperature would be around zero degrees Fahrenheit. Earth would contain only ice and rock.

Without the greenhouse effect the earth would be colder than it is today. The correct option is c.

A natural phenomenon that aids in controlling the temperature of the Earth is the greenhouse effect.

It is brought on by the existence of a few gases in the Earth's atmosphere, including carbon dioxide, methane, and water vapour.

These gases prevent infrared light from the Earth's surface from escaping into space by trapping it and reemitting it. The globe is warmed by the trapped heat, which helps to keep global average temperatures habitable.

Without the greenhouse effect, the Earth would lose a lot of heat into space, resulting in substantially lower global temperatures.

Thus, the correct option is c.

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After ovulation, the ruptured follicle is transformed into the hormone-secreting structure called the

Answers

After ovulation, the ruptured follicle is transformed into the hormone-secreting structure called the corpus luteum.  
The corpus luteum or yellow body is an endocrine structure which is temporarily formed inside the female ovaries and is involved in the production of hormones such as progesterone, moderate levels of estradiol, inhibin A and small amounts of estrogen. The corpus luteum is essential for and maintaining the early stages of pregnancy in females.
Final answer:

Post ovulation, the ruptured follicle becomes a hormone-secreting structure known as the corpus luteum. The hormones released, mainly progesterone and estrogen, prepare the uterus for potential pregnancy.

Explanation:

After ovulation, the ruptured follicle undergoes a transformation and becomes a corpus luteum. The corpus luteum is a hormone-secreting structure that plays a vital role in the female reproductive system. It primarily secretes the hormones progesterone and estrogen. These hormones prepare the uterus for a potential pregnancy by thickening the lining of the uterus. If pregnancy does not occur, the corpus luteum degenerates into a structure called the corpus albicans.

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Classifying animals as endangered or threatened: select one:

Answers

Actually, in terms of a species conservation status, a species population can be both critically threatened and endangered.

Sleep disorder in which a person experiences terrifying sensations during nrem sleep

Answers

I believe the answer you are looking for is Night Terroirs. hope this helps.

A chronic disease caused by deficient activity of the islets of langerhans is

Answers

Diabetes mellitus is a chronic disease that is caused by deficient activity of the islets of Langerhans. The islets of Langerhans is a part of the pancreas that secrets the hormone insulin, a hormone that functions to allow the utilization of glucose by the body, and therefore maintaining the glucose levels from getting too high. Diabetes mellitus is as a result of the inactivity of the insulin hormone and therefore there will be a high level of glucose in the blood. 

A fruit fly has four pairs of chromosomes in its cells. at meiosis, how many different combinations of maternal and paternal chromosomes are possible in the gametes?

Answers

Answer: 16 combinations

A fruit fly has four pairs of chromosomes in its cells. Assuming all pair is heterozygotes, each pair of the chromosome can be divided into two possible combinations. So, if there are 4 pairs then the possible combination would be 2 * 2 * 2 * 2= 16 possible combinations.

help plz ASAP
1. In Step 1, you see the bacteriophage is injecting something into the bacterial cell. What is it injecting? (1pt) *
2. Name the type of viral infection shown in the cycle that includes stages 1->2->3A->4A (1pt) *
3. Which stage indicates the formation of a prophage? (1pt) *
1
2
3A
3B

Answers

1. The bacteriophage is injecting its genetic material into the bacterial cell. The genetic material of the bacteriophage is DNA or RNA that could synthesize the protein needed for the virus replication. This will allow the virus to replicate itself inside the bacteria.


2. This type is called lytic cycle because the outcome of this cycle is the lysis(death) of the bacteria cell. In this phase, the genetic material of the virus will hijack the bacteria body and makes them replicate the virus. The lysis of bacteria allows the new virus to invade other bacteria.

3. Answer:3B
Prophage is a bacteriophage DNA that integrates with bacterial DNA. This will be found in the lysogenic cycle that was started at the 3B picture. In this cycle, the virus becomes dormant and won't replicate itself so the bacteria wouldn't lysis. The virus could become active and change into the lytic cycle if a certain condition met.
Final answer:

In the lytic cycle, the bacteriophage injects its genome into the bacterial cell. The type of viral infection shown in the cycle is lytic infection. The stage that indicates the formation of a prophage is Stage 3A.

Explanation:

In the lytic cycle of bacteriophages, the phage injects its genome into the bacterial cell. This genome contains the phage's genetic material, including its DNA or RNA. Once inside the bacterial cell, the viral genome takes control and uses the cell's machinery to produce new phages.

The type of viral infection shown in the cycle that includes stages 1->2->3A->4A is the lytic infection. In this type of infection, the phage quickly replicates inside the host cell, leading to the lysis or bursting of the cell, releasing new phages.

The stage that indicates the formation of a prophage is Stage 3A. During this stage, the viral DNA is integrated into the bacterial genome, forming a prophage. The bacterium in this state is called a lysogen and remains dormant until triggered to enter the lytic cycle.

While walking along a streambed, you encounter a reedy seedless plant. upon closer inspection, you determine that the stems contain large amounts of silica and have tiny scale-like leaves. this plant is most likely a?

Answers

For the answer to the question above, this plant is more likely a kind of "liverwort plant"
they are flowerless and they are spore-producing plants and non-vascular. There are estimated of 9,000 species of this kind of plant.
I hope this helped

What should police officers do to prevent false identifications during lineups?

Answers

To prevent false identifications during lineups, the police officers should tell the witnesses that the lineup may not include the suspect. The eyewitness identifications are subject to a high rate of error because witnesses are subject to high stress or anxiety, the human memory tends to reconstruct incidents because humans do not have the capability to record memories like a video recorder; witnesses often focus on weapons, and not the identification of the perpetrator, among other reason. 

BRAINLIESTTTT ASAP!!!!

1. Based on Dalton's atomic theory, which of the following is true about all atoms of the same element?

They have different masses.
They have the same properties.
They can be divided into molecules.
They are composed of visible matter.

2. Read the list of elements given below.

F, Cl, Br, I

Which of the following about the elements is true?

All of them are highly reactive metals.
All of them are highly reactive nonmetals.
F and Cl are reactive nonmetals and Br and I are highly reactive metals.
F and Cl are reactive metals and Br and I are highly reactive nonmetals.

Answers

they have the same properties

All of them are highly reactive nonmetals
Hope this helps please award brainly :)







For the first question, your answer is the second choice, "They have the same properties" This is since Dalton's atomic theory states that atoms of the same element are the same while atoms of different elements differ. And, it explains how the atoms cannot be subdivided into smaller particles. 

For the second question, it would be the second choice as well, "All of them are high reactive nonmetals" This is because F, Cl, Br, I are all halogens in group 17 of the periodic table which are all nonmetal elements, highly reactive, and common on Earth. 

Let me know if you need further info. :))

               - Dotz 
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