Answer:
brainly me
Explanation:
When we get too hot: Sweat glands in the skin release more sweat. The sweat evaporates , removing heat energy from the skin. Blood vessels leading to the skin capillaries become wider - they dilate - allowing more blood to flow through the skin, and more heat to be lost.
When heat activates sweat glands, these glands bring that water, along with the body's salt, to the surface of the skin as sweat. Once on the surface, the water evaporates. Water evaporating from the skin cools the body, keeping its temperature in a healthy range.
What do you mean by sweat glands?" Sweat gland is defined by a simple tubular gland of the skin that excretes perspiration, is widely distributed in nearly all parts of the human skin, and consists typically of an epithelial tube extending spirally from a minute pore on the surface of the skin into the dermis or subcutaneous tissues where it ends in a convoluted tuft."
What are the types of sweat glands?There are two types of sweat glands:
eccrineapocrine.What is the main function of sweat gland?"The primary function of sweat glands is to keep the core body temperature at approximately 37 °C by releasing sweat in a hot environment or during physical activity."
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A student learning about heat transfer makes the claim shown:
"Some metals change temperature more rapidly than other metals."
The student proposes to test the claim in the laboratory by using metal rods made of iron (Fe), copper (Cu), and Aluminum (Al). In addition to the metal rods, which pieces of equipment would be useful for investigating the claim?
Group of answer choices
prism, heat lamp, screen, meterstick
beaker, digital scale, stopwatch, clamps
litmus paper, beaker, pan balance, battery
hot water, pan to hold water, stopwatch, thermometer
Hot water, pan to hold water, stopwatch and thermometer are the pieces of equipment which would be useful for investigating the claim.
What is Temperature?
This is the degree of hotness or coldness of a substance and it is measured with the use of the thermometer.
Since temperature is involved, the thermometer and heat source are important thereby making option D the most appropriate choice.
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Option D
Well the raising speed of temparature of a metal is dependent upon its specific heat capacity .
If specific heat capacity is more then the water will boil faster .
From stopwatch we can determine how fast the water boils in identical pans .
Which will help in determining specific heat capacity
The broadest taxonomic group for classifying living organisms is the.
Answer: kingdom
Explanation: The broadest category of the organism in biological taxonomy is a kingdom. Each unit or category of classification is termed as a taxon. It represents a rank.
what is the name of the cells that control the opening and closing of the stomota
Answer:
guard cells
Explanation:
they control the opening and closing of the stomata
help please!!!! it’s called DNA and genetics !!!!!
Answer:
9 is mutations
Explanation:
what does erosion do?
A. It changes rock chemically
B.it changes rock particles into rock
C.it breaks rock down physically
D.it moves pieces of rock Please answer fast its due today
the answer to this problem is c
Human red blood cells are enucleated (i.e., they do not have nuclei). Is it possible to isolate DNA from red blood cells
Answer:
No, the genomic DNA is found only in nucleated cells.
Explanation:
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How does the destruction of forests contribute to levels of atmospheric carbon?.
Answer:
This happens when the trees are cut down and burned, as the stored carbon was released into the air it converted into Carbon Dioxide.
Hope this helps you.
Which of the following (i-iii) will a person suffer from if he/she is travelling in a train which is overcrowded?
i.Heart attack
ii.Tuberculosis
iii.Typhoid
b. Justify your answer and also mention any two symptoms of the same.
Answer:
ii
Explanation:
tuberculosis is an airborne disease if one is affected he or she can spread the disease especially in closed crowded areas.
symptoms are continuous coughing over a week,loss of weight
Place the organisms in order from simplest to most complex.
1.Animals
2.Eubacteria
3.Protists
4.Fungi
5.Plants
6.Archaebacteria
Answer:
The six kingdoms are Eubacteria, Archae, Protista, Fungi, Plantae, and Animalia. Until the 20th century, most biologists considered all living things to be classifiable as either a plant or an animal.
Explanation:
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We have to finish dividing the cytoplasm and then back to work. Can’t wait to get back to normal
The cell cycle is a process characterized by finishing when dividing the cytoplasm and then the daughter cells back to work.
What is the cell cycle?The cell cycle is a series of cellular events that undergo a cell from its formation to its division.
The cell cycle can be divided into an interphase and a mitotic (M) phase, which ends with a process called cytokinesis.
The cytokinesis refers to the division of the cytoplasm, which is required to form two daughter cells.
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can someone please help me with these two?
Answer:
Question 1: (A) Producers
Question 2: (C) Xylem
Explanation:
I am not sure how to explain these because its just their definitions and their role. Sorry!
Which of these best explains why transfer RNA is often considered a "bridge" molecule?
A.
It "connects" the strands of RNA to form a double helix.
B.
It "connects" all of the ribosomal RNA bases together.
C.
It "connects" ribosomes with the correct amino acid.
D.
It "connects" RNA to DNA
Answer: I think it's D.
Hope this helps!
Keeping blood in the different chambers of the heart from mixing is a function what structure?.
Answer:
Muscular walls, called septa or septum, divide the heart into two sides and keep the two kinds of blood from mixing. Heart valves There are four valves within the heart. Each valve has flaps that prevent blood from flowing in the wrong direction — opening to allow forward flow of blood and closing to prevent backward flow.
Explanation:
can someone please help me with these?
Answer:
C.) 2
Explanation:
Just a side note, I just assigned a random letter to work through this problem. It does not matter what you choose.
The carrier genotypes are Aa while any non carriers are AA, and any affected would be aa.
You would go through each of the pairs and do a pedegree to find out the genotypes of the offspring they produce. For 1 it would be a pedegree for Aa from the mom and AA from the dad. There offspring would be 1/2 Aa and 1/2 AA.
For number 2 it would be Aa for the mom and Aa for the dad. There offspring would be 1/4 AA, 1/2 Aa, and 1/4 aa.
For number 3 the mom would have AA and the dad would be aa. There offspring would be 4/4 Aa
For number 4 the mom would be Aa and the dad would be AA. There offspring would be 1/2 AA and 1/2 Aa.
Group #2 are the only set of parents that would produce a offspring that would be affected by the genetic condition, so the answer is C
Describe where hormones are produced and how they are transported from endocrine glands to their target organs, including the pituitary gland, thyroid gland, pancreas, adrenal glands, ovaries and testes.
Answer:
Hormones are transported through the bloodstream or through fluid around cells.
Explanation:
Once they find a target, they bind with proteins in the cells located in the glands you specified, causing the cells to change activities.
Hormones are the chemicals that are produced by endocrine glands.
What are the endocrine glands?These are the glands that do not have ducts.These glands produce hormones.What are hormones?They are known as chemical messengers of the body.They can be either peptide or a steroid etc.They are directly poured into the blood.What are some examples of endocrine glands?Some endocrine glands are as follows:
pituitary gland, thyroid gland, pancreas, adrenal glands, etc.To learn more about hormones, endocrine glands and blood here,
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2) The motion of the Earth is modeled here as it moves on its axis and around the Sun Which of these statements correctly identifies how the illustration supports the concepts of seasons on Earth? Select
ALL that apply
A) The tilt of the Earth is responsible for the seasons
B) The rotation of the Earth is responsible for the seasons
C) The proximity of the Earth to the Sun is responsible for the seasons
D) The revolution of the Earth around the sun is responsible for the seasons
E) The intensity of the sunlight on Earth is different as the Earth revolves around the sun
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Obliquity or tilt is the inclination angle of the Earth's axis. It is responsible for seasonal changes. The correct option is A) The tilt of the Earth is responsible for the seasons.
What is the Earth's obliquity -tilt-?The term obliquity or tilt refers to the inclination of the axis of the Earth. The plane in which the Earth orbits around the sun is not orthogonal to the Earth’s axis of rotation. The axis has an inclination angle called ecliptic obliquity.
Obliquity is a determinant of seasons' existence. Thanks to this inclination in the axis of the Earth there are seasons. If tilt would equal cero, there would not be any season or temperature change in different regions of the Earth. So tilt becomes a significant factor, especially for high latitude areas.
Obliquity is one of the three Milankovitch cycles, together with precession and eccentricity. These are used to explain natural climatic changes through the history of the Earth.
The correct option is A). The tilt of the Earth is responsible for the seasons.
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Answer:
the answer is A
Explanation: Reason being because only the tilt is responsible for the seasons.
true or false the lab partner working on the computer should put the bacterial filter and mouthpiece onto the respiratory transducer and then hand it to the subject
Answer:
No!
Explanation:
Safety precautions must be taken with this procedure. Such as, protective gear, bacteria should not be mixed with other substances!
HELP!!! will give brainliest!! need answer quickly!! An Ff mouse is bred repeatedly to an ff mouse, producing 500 total offspring. In theory, 250 offspring should be black and 250 should be white, but the actual numbers are 237 black and 263 white. Why does this happen?
The picture shows us how the Sun's rays strike Earth. Because of the Earth's tilt on its axis, some parts of Earth are having summer
and others, winter. What letter or letters on the Earth are experiencing summer?
A) B
B) C
C) B and C
D) C and D
Answer:
B n C
Explanation: You can tell this because when you look at the diagram it shows B and C facing the sun so that means it's summer.
Answer
D.) C and D
Explanation:
It may look like B and C, but the sun hardly reaches up in the north, plus its axis is shifted so it's not technically summer for them yet, this leaves the bottom, which will rotate and give both sides the taste of summer glory.
Once the earth rotates more, it will be summer for B. and A.
But the graph shows that the answer is
D.) C and D
What are the outcomes for hares being introduced into the grassland ecosystem
Answer: The correct answers should be the hares will multiply indiscriminately and destroy the ecosystem and the native herbivores will experience increased competition for resources.
Since the hares wouldn't have predators, and they are famous for rapid breeding, they would overpopulate the ecosystem. On the other hand, the native animals would have to compete with this population of hares for food and would have less for for themselves.
Explanation:
The term used for all floating and drifting organisms in the sea is:
Answer:
The answer is Plankton
Explanation:
A collection of tiny organisms living beneath the surface of lakes, rivers, ponds, and oceans across the planet are called plankton.The term Plankton is used for floating and drifting organisms in the sea.
What are plankton?Planktons are organisms found in water that cannot float against the water current.
The word plankton is derived from Greek which means to drift and float.
Thus, the term used for all floating and drifting organisms in the sea is plankton.
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How are antibiotics different from "classic drugs"?
Answer:
Answer at explanation part.
Explanation:
An antibiotic is a type of antimicrobial substance active against bacteria.
Classic drugs can be harmful or addicting. So antibiotics are more useful than other drugs.
Hope this helped!!!
how is dna copied in your own words?
Answer:
Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell. Each time a cell divides, the two resulting daughter cells must contain exactly the same genetic information, or DNA, as the parent cell. To accomplish this, each strand of existing DNA acts as a template for replication.
Replication occurs in three major steps: the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment. During separation, the two strands of the DNA double helix uncoil at a specific location called the origin. Several enzymes and proteins then work together to prepare, or prime, the strands for duplication. Finally, a special enzyme called DNA polymerase organizes the assembly of the new DNA strands. The following description of this three-stage process applies generally to all cells, but specific variations within the process may occur depending on organism and cell type.
Answer:
website answer... the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment.
Explanation:
in my own words... the double helix and the separation of dna strands and the priming temlete strand and the assembly of a brand new dna segment
What are the 3 main NATURAL processes of the carbon cycle?
Answer:
The Carbon Cycle
Carbon moves from the atmosphere to plants.
Carbon moves from plants to animals.
Carbon moves from plants and animals to soils.
Carbon moves from living things to the atmosphere.
Carbon moves from fossil fuels to the atmosphere when fuels are burned.
Carbon moves from the atmosphere to the oceans.
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In which system of the human body are the red blood cells and white blood cell found?
Answer:
In the circulatory system
Explanation:
The circulatory system of the body is where all blood cells are found.
Will earth run out of water?
While our globe may never run out of water as a whole, it's crucial to realize that pure freshwater isn't always available where and when humans require it. In fact, only six countries contain half of the world's freshwater. Over a billion people do not have access to adequate safe, clean water. Water scarcity will afflict the entire planet by 2040 unless water use is significantly decreased. "If we keep doing what we're doing now, there will be no water by 2040."
The panting responses observed in overheated birds and mammals dissipate excess heat by ________.
Answer:
Evaporation
Explanation:
The panting responses observed in overheated birds and mammals dissipate excess heat by evaporation
What are the different systems of classification of organisms
Answer:
kingdom, phylum, class, order, family, genus, and species.
Explanation:
kingdom, phylum, class, order, family, genus, and species.
Classification is a grouping of individuals according to their similarities and differences. It is used to group organisms according to ranks of similar characteristics and evolutionary basis.
What are the levels of classification?Classification system is divided into various levels in order to rank the organisms.
It has following levels:
Kingdom: It is the highest level of classification. There are a total of five kingdoms.Phylum: It is classified on the basis of phenetics and phylogenetics.Class: each phylum can contain multiple class.Family: it is group of genera having similar traits.Genus: it helps to determine species of the organisms.Species: it is the lowest rank in this category. It is group of organisms having similar characteristics.Thus, kingdom, phylum, class, family, genus, species are the classification system of organisms.
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A condition or event in the environment is called a
stimulus
O homeostasis
O reproduction
O species
Answer:
A
Explanation:
homeostasis
One autumn in the late 1990s, a number of people became ill after working at a single building at an industrial plant in a neighborhood of Baltimore, Maryland. Their symptoms ranged from simple coughing and other respiratory symptoms to pneumonia. At least one of the 70 people reporting symptoms died. He was 78 years old. The company voluntarily closed the building upon the recommendation of the Maryland Department of Health and Mental Hygiene. After all of the water systems at the plant were evaluated and disinfected, it re-opened and no new cases were reported.
1. Health departments often have less information than this when they start hypothesizing about the causative organism and its source. What is your first guess?
2. Describe the transmission characteristics of the suspected bacteria.
3. Is there a risk for a continuing community outbreak from these initial infections? Why or why not?
This disease is likely caused by a bacterium that was transported through the water. If water was infected only locally, likely, there are no outbreaks.
What can be guessed about the causative organism?The causative organism seems to be a type of bacteria in water. This is because disinfecting the water systems seemed to be the problem, which shows the source was there.
How are these bacteria transmitted?The suspected bacteria is transmitted through water. This seems to be the main transmission route because it seems workers experienced symptoms after drinking water.
Is there a risk for more outbreaks?If only the water of the plant was contaminated with this bacteria, it is likely there are no outbreaks. However, if contamination was general, outbreaks might appear.
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