In many tropical rainforests, people clear land by cutting down trees and burning them. After a few years, the soil runs out of nutrients and cannot be farmed any longer. How does this practice of “slash and burn agriculture” affect Earth’s atmosphere?
Answer:
The polution from burning the trees. Also, the loss of oxygen from the loss of trees.
Explanation:
hope this helps a little
Rivers and streams are biodiverse ecosystems that are sensitive to change. please select the best answer from the choices provided t f
It is true that rivers and streams are biodiverse ecosystems that are sensitive to change. Details about rivers and streams can be found below.
What is river and stream?A river is a large and often winding stream which drains a land mass, carrying water down from higher areas to a lower point, oftentimes ending in another body of water, such as an ocean or in an inland sea.
On the other hand, a stream is a small river or a body of moving water confined by banks.
Rivers and streams are both freshwater ecosystems, hence, tend to respond to changes in their environment caused by anthropogenic activities.
Therefore, it is true that rivers and streams are biodiverse ecosystems that are sensitive to change.
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Answer:
True
Explanation:
The ______ states that energy always changes from high quality to low-quality forms.
A) Downstream
B) Meltdown
C) Turbine
D) Ethanol
E) Passive solar cooling
F) Utility
G) First Law of Energy
H) Refinery
I) Isotopes
J) Second Law of Energy
Answer:
J) Second Law of Energy
Explanation:
second law of thermodynamics. Scientific law stating that whenever energy is transformed from one type to another in a physical or chemical change, the result is a lower-quality or less usable energy.
In peas, the trait of plant height is determined by a dominant tall allele and a recessive dwarf allele. A true-breeding tall plant is crossed to a true-breeding dwarf plant. What do you expect to see in the offspring of this mating?
Answer:
Here is the answer...hope it helps:)
Missense mutations, nonsense mutations, and neutral mutations are all what type of mutation?
A.)single point mutations B.)chromosomal mutations
A couple has three children, two of which have blonde hair. The third child and both parents have dark hair. What can be determined about the gene for hair color in this family
Answer:
Blonde hair color.
Explanation:
it is an autosomal recessive trait
2. When do you think punctuated evolution is most likely to occur and why?
Answer:
because the trigger for this is commonly encountered like a change in temperature
2. how are life processes different from characteristics of life?
o a. life processes are the characteristics shared by all organisms.
o b. life processes are the specific events that allow organisms to live.
o c. characteristics of life are the specific events that allow organisms to live.
o d. life processes are the general characteristics shared by all organisms.
the second law of thermodynamics states that?
Answer:
"As energy is transferred or transformed, more and more of it is wasted."
Explanation:
Answer:
"As energy is transferred or transformed, more and more of it is wasted."
In this case the second law of thermodynamics (in the simplified form presented here) says that no matter what process takes place inside the container, its entropy must increase or remain the same in the limit of a reversible process...
Explanation:
The second law of thermodynamics states that as energy is transferred or transformed, more and more of it is wasted. It's one of the four laws of thermodynamics, which describe the relationships between thermal energy, or heat, and other forms of energy, and how energy affects matter...
The second law of thermodynamics says that when energy changes from one form to another form, or matter moves freely, entropy (disorder) in a closed system increases. Differences in temperature, pressure, and density tend to even out horizontally after a while...
The second law of thermodynamics describes the nature of processes and chemical reactions as follows: processes occur spontaneously if and only if by their process, the entropy change in the universe, is greater than or equal to zero…
Second law of thermodynamics:Statement,examples and applications. The second law of thermodynamics states that heat can flow spontaneously from a hot object to a cold object; heat will not flow spontaneously from a cold object to a hot object. Carnot engine, heat engine are some examples of second law of thermodynamics .....
The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object. The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object.
Why is the second law of thermodynamics so important? Second law of thermodynamics is very important because it talks about entropy and as we have discussed, 'entropy dictates whether or not a process or a reaction is going to be spontaneous'...
His formulation of the second law, which was published in German in 1854, is known as the Clausius statement: Heat can never pass from a colder to a warmer body without some other change, connected therewith, occurring at the same time. The statement by Clausius uses the concept of 'passage of heat'...
“The first law of thermodynamics also known as the law of conservation of energy states that energy can neither be created nor destroyed, but it can be changed from one form to another.” “The second law of thermodynamics states that the entropy in an isolated system always increases.”
H
Animals store most of their excess energy reserves as _____
and this is explained because
Animals store the extra energy as the complex carbohydrate glycogen.
What is glycogen?Glycogen is a polysaccharide of glucose. It serves as a form of energy storage in fungi as well as animals and is the main storage form of glucose in the human body.
The excess energy reserve as starch in case of plants and glycogen in case of animals.
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This can be found in the nucleus, and are tiny strands
that contain the instructions for directing the cell's
functions.
a. dna
b. chloroplasts
c. golgi bodies
d. er
Answer:
The answer is A. DNA.
Explanation:
Control center of the cell; contains DNAControl center of the cell; contains DNA Stores food, water, wastes, and other materials Found inside the nucleus and produces ribosomewhat is the definition of phoosynthisis?
Answer:
I assume you mean photosynthesis.
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Explanation:
Describe how energy for the photosynthesis reaction is gained by plants.
Answer:
6CO2 + 6H2O → C6H12O6 + 6O2
Under the conditions that in the presence of sunlight and chlorophyll, carbon dioxide reacts with water molecules to produce glucose and oxygen
1. Define mass defect.
Answer:
the difference between the mass of an isotope and its mass number.
Explanation:
Which are correct examples of physical (P), chemical (C), and biological (B) barriers? P: complement system; C: saliva; B: coughing P: coughing; C: saliva; B: complement system P: coughing; C: sneezing; B: complement system P: complement system; C: saliva; B: sneezing
The correct examples of physical (P), chemical (C), and biological (B) barriers is P: coughing; C: saliva; B: complement system.
What are barriers?Barriers are the immune defence mechanisms used by the body to prevent the invasion of microorganisms from causing harm.
Examples of immune barriers include:
Physical barrier: Example is coughingChemical barrier: Example is salivaBiological barrier: complement system.Learn more about immune system here:
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the main form of glucose repression in the lac operon is
Answer:
Extracellular glucose affects the lactose operon activation by inhibiting
help please!!!
BIOLOGY
Cell theory will not ever become the law of cells because cells undergo changes as mutations occur within them, and developing anything beyond cell theory would be impractical.
What do you mean by Cell theory?Cell theory may be defined as a theory given by M.J. Schleiden and T Schwann which states that all living organisms are made up of cells which are the smallest unit of all living entities.
It is only due to mutations, cell changes its identity and properties randomly. Hence, it seems very tough for scientists to analyze all the mutations in the cell.
Therefore, cell theory will not ever become the law of cells because cells undergo changes as mutations occur within them, and developing anything beyond cell theory would be impractical.
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What does a transformed e. Coli cell contain that a normal e. Coli cell does not?.
A transformed e. Coli cell contain plasmid with an ampicillin resistant gene while a normal e. Coli cell does not.
What is a Transformed bacteria?This is the type of bacteria which has been modified through the introduction of a foreign DNA.
The DNA is introduced to the e.coli which then makes it to be ampicillin resistant for research works.
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Place each description in the correct category.
represented by symbols
made of one type of atom
represented by formulas
cannot be broken down
can be chemically broken down
made of two or more types of atoms
Elements
Compounds
Answer:
The elements will break down into moister, h20
Explanation:
Which example is indirect evidence used to study Earth’s interior?
composition of minerals in a rock
age of a rock from within Earth
location of an earthquake’s epicenter
texture of different core samples
Answer:
location of an earthquake’s epicenter
An indirect evidence is one which is used to infer or support the clause. The location of an earthquake’s epicenter can be used to study Earth’s interior.
Three main layers make up the Earth. The crust, mantle, and core are those. Additionally, since the earth's interior cannot be directly studied, the composition of rocks can be understood from direct evidence.
Seismic waves aid in comprehending circumstantial evidence. The energy that passes through the various layers of the earth is carried by seismic waves. Landslides, earthquakes, and volcanoes are some of the causes. The direction of the seismic wave, as well as the location of the earth's epicenter, can be determined by analyzing several seismographs.
Therefore, studying the location of an earthquake’s epicenter would give an idea of Earth’s interior. The correct answer is option C.
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In your own words wright a paragraph of the process of the circulatory system.4-7 sentences
Answer & Explanation:
The circulatory system, also called the cardiovascular system transports oxygen-rich blood from the heart to the lungs. The heart then circulates oxygenated blood throughout the body via arteries. The veins return oxygen-depleted blood to the heart, restarting the circulation process.
please answer my question correctly
#1
Monsoon is a derived word of Arabic language
It simply breaks down into "wasama" and "mawsim"
Wasama means to mark and mawsim is rainy season#2
Monsoon mostly brings happiness as crops start to grow up .Many farmers from different regions depends upon monsoon for croppingPros
Monsoon helps in croppingIt increases melancholyness among the animals and humansCons:-
If Monsoon stays long at one place it brings heavy flood to withdraw some lives
Line breeding disadvantages
Answer:
Higher offspring mortality. Shorter lifespan. Increase in genetic diseases. Reduced “genetic potential” (ability to improve a trait)
In Cellular Respiration, Glucose is transformed into?
*
Which of the following lists organisms from oldest to youngest organisms on Earth?
a. bacteria, mammals, reptiles, fish
b. fish, bacteria, mammals, reptiles
c. bacteria, fish, reptiles, mammals
d. reptiles, mammals, fish, bacteria
Answer:
c
c is the correct anwser because if you date back to the young earth ot was nothing but water and bacteria was the first thing on earth and then came fish and then the land for reptiles
Drag each item to the correct location to indicate whether it describes the American or European weather model.
USA model predicts weather out to 10 days, 21 forecasts, four models, whereas European model is most accurate, with 51 forecasts and weather out to 16 days.
What are weather models?The weather models are defined as different models used to predict the weather around the world.
The Global Forecast System (GFS) model is developed by U.S. National Weather Service and consists of four separate models (atmosphere, ocean, land/soil, sea ice).
In conclusion, USA model predicts weather out to 10 days, 21 forecasts, four models, whereas European model is most accurate, with 51 forecasts and weather out to 16 days.
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What is considered to be the lowest level of organization in a multicellular organism?.
Answer:
Lower levels of organization in multicellular organisms are cells tissues and organs.
state five qualities of good draught animals. State four precautions to be observed when using draught animals
Answer:
1. Conformation
Conformation refers to the form or shape of an animal. An animal with good conformation has a shape which shows the normal characteristics of its species and breed.
An animal used for draft must have a build well suited for pulling. It should be low to the ground, have powerful shoulders and legs, and have a broad frontal dimension that will accommodate the placement of a harness. It must be big enough to deliver, alone or in a pair, the power needed to pull equipment for an extended period of time. It must also be able to exert the concentrated or "instantaneous" effort needed to overcome temporary increases in the draft requirement caused by roots, rocks, hard soil, or inclines.
While some animals are bred to produce good draft abilities, within any breed individual animals vary greatly in these qualities, and care must be taken to choose those with the most potential. A thin but well-balanced animal can be strengthened with a good diet, health care, and work. However, an animal with a swayback, bad legs or impaired vision will be a constant source of trouble.
Selection is a process of matching ideal qualities against those seen or latent in a given animal. Good draft animals, regardless of species or breed, will have the following qualities:
• head well proportioned; squarish, sculptured look
• balanced vision and hearing; head carriage high and straight
• normal mouth; good teeth and jaw structure
• body should have depth and width; short, full neck, full shoulders, broad chest, and straight, broad beck
• wide, thick hindquarters, lowset and evenly-fleshed
• short legs, straight and square to the body; ample bone
• clean, well-developed joints; no swelling or unusual boniness; no turning in or out of knees or hoofs; free movement of limbs
• feet straight, hard; normal angulation of hoof.
Temperament
Temperament refers to the nature or disposition of an animal. Part of its temperament is determined genetically, both by breed and parentage; some of it is learned-a response to the treatment it receives from other animals or the people who raise and handle it.
Temperament is reflected in an animal's behavior, the way it moves and acts, and the way it reacts to the things around it. It is difficult to know much about temperament from the quick evaluation that usually precedes the purchase of a draft animal. The buyer must guess, from what is observable, whether or not an animal will accept new routines or maintenance and training, behave well in a pair, and prove to be a spirited yet steady-paced and manageable worker. Sometimes, what is observable is not typical of the animal's behavior. A basically lethargic bull, for example, may become very alert or nervous at the approach of a stranger, exhibiting a fierceness that could be misinterpreted as a strong yet controllable spirit. A donkey that is mishandled and mismanaged might kick or butt at its owner, or at any adult, but be led away quite easily by a child. The buyer must be aware of such possibilities and at the same time drew some basic conclusions about the animal's temperament.
The following are signs of good temperament:
• Good overall conformation and health. The animal has no physical handicaps that require it to compensate with aggressive or stubborn behavior. An animal with bad vision or hearing, an unsound leg or joint, or with a chronic respiratory or muscular weakness, protects itself by balking, spooking, shying, refusing to be harnessed or lying down during work. Its temperament is affected or shaped by its physical condition.
• The animal accepts the handling of the owner. The owner can pick up the animal's foot, open its mouth, lead it with a rope without having to use force or harsh measures.
• It does not shy or kick at other animals. The buyer should try to be present when it is being turned out with a herd or put into a corral with other animals. If an animal is unusually aggressive or cowardly, it may not work well in a pair. Aggressive animals force their work-mates to shy or lean out of the yoke or harness, while cowardly animals may refuse to step evenly with their mates, lagging behind.
When an animal is taken from its herd or original owner and staked out or corralled in a new place, it may experience shock. The animal may show signs of aggression, withdrawal, stubbornness, fear, or general anxiety. None of these reactions is unnatural during the adjustment period, and should not be taken as a sign of an unsuitable disposition. An animal's character becomes clear later, during training and preseason work. At that time the farmer can judge the ability of the animal to work as part of a pair or team. Buying an animal early in the offseason allows the owner time to seek a replacement should a problem arise.
please let
me know the answer to this
Answer: I think It is bacteria
What volume will 454 g (1 lb.) of H₂ occupy at 1.05 atm and 25.0°c
Answer:
Explanation:
V = 5.24 × 10^3L
