Answers
Answer:
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︎ ︎ ︎︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎.
Related Questions
ou observed isopropanol and water drops on a paper towel. Even though the same amount of energy was transferred into both substances from the air, the isopropanol evaporated while the water did not. Why do you think the isopropanol changed phase, but the liquid water did not?
Answers
Answer:
The Isopropanol had a lower heat of vaporization than that of water, meaning that it didn't have to have as much energy to accomplish a phase change, in this case evaporation.
According to the forces of attraction, isopropanol has lower heat of vaporization as compared to water .
What are forces of attraction?Forces of attraction is a force by which atoms in a molecule combine. it is basically an attractive force in nature. It can act between an ion and an atom as well.It varies for different states of matter that is solids, liquids and gases.
The forces of attraction are maximum in solids as the molecules present in solid are tightly held while it is minimum in gases as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.
The physical properties such as melting point, boiling point, density are all dependent on forces of attraction which exists in the substances.
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Nursing care of a patient with acquired immune deficiency syndrome (AIDS) includes monitoring of T-lymphocyte counts. Explain why.
Answers
Answer:
Explanation:
This is because the main firm of defect in patients with AIDS is destruction of helper T cells,and the T lymphocytes cells main function is to recognize antigen in the infected hosts and kill the antigens thereby activating the cell-mediated response and boost the immune cells . This immunodeficiency makes the patient to be more prone to infections and unusual cancers
How can we decrease the amount of atmospheric CO2?
Answers
GIVING BRAINLIEST!!!!!
Which of the following describes the location of the tropical zone?
A) Between the temperate and the polar zones
B) Closest to the equator
C) Farthest from the equator
D) Near the North Pole and South Pole
Answers
Answer: B. The tropical zone lies closest to the equator.
Explanation:
How do limiting factors affect carrying capacity of an environment
A. Increasing the amount of an available factor increases the carrying capacity
for the population.
B. Increasing the amount of an available factor decreases the carrying capacity
for the population
Answers
When your muscle gets tired, it builds up the _______ and makes it more powerful.
Group of answer choices
momentum
blood
cells
tissue
Answers
Answer: Tissue
Explanation: Hope this helps!
Sue has been complaining about a bad knee for the past few months, particularly when she is going down stairs. She is an active middle-aged mom who regularly participates in tennis, jogging, and hiking. She visited an orthopedic surgeon last week who told her that he would "like to have a look at her knee joint." He also told her that her symptoms indicate damage to the meniscus, and it might have to be removed. What will the doctor do to see the joint, and if the meniscus is removed will Sue be able to maintain her regular active schedule?
Answers
Answer:
The doctor do the X ray of her meniscus.
Explanation:
The doctor do the X ray of her meniscus in order to find out the damage in the meniscus, if the damage occurs on the outside of meniscus so it can be heal itself but if the meniscus is deeply damaged so it can only be repair through surgery. If the meniscus is removed, the Sue will not be able to maintain her regular active schedule because there is no shock absorber in your knee which absorb large stress so she can't do her regular activities.
Which best describes the transfer of energy through food webs?
A. Energy from animals is recycled among herbivores and carnivores.
B. Energy from plants is transferred from decomposers to consumers.
C. Energy from animals is recycled from decomposers to consumers and then to producers.
D. Energy from plants is transferred to consumers, and then from producers and consumers to decomposers.
Answers
Answer:
D.
Explanation:
Energy from plants is transferred to consumers and then producers and consumers to decomposers.
Why would invertebrates fertilise their eggs internally?
Answers
Answer:
The advantage of inside fertilization is that the fertilized egg is protected against dehydration on land. The embryo is segregated from the woman, limiting young predation. The fertilization of internal eggs by a certain male is also improved.
Explanation:
Interior fertilization is the union in the female body of the egg and the sperm. The female has more control over internal fertilization, as opposed to its counterpart, exterior fertilization. There has to be a technique for males to introduce the sperm into their reproductive system in order for internal fertilization to occur.
Copulation, an intromittent organ, is inserted into the vagina or cloaca in mammals, reptiles, and some other group of species. The cloacal kiss is employed in most birds, and the two animals squeeze their cloacas together as sperm is transferred. Salamanders and Spiders are internally regulated by passing a bundle of sperm from the male to the female. Some insects and certain mollusks are fecundated. The embryos are placed as eggs in the organisms or continue to develop within the mother's reproduction tract as young, viviparous creatures after fertilization.
how would the solar eclipse be different if the moon was moved AWAY from the earth?
Answers
Answer:
The Sun is completely blocked in a solar eclipse because the Moon passes between Earth and the Sun. Even though the Moon is much smaller than the Sun, because it is just the right distance away from Earth, the Moon can fully blocks the Sun’s light from Earth’s perspective. Sometimes the Moon is far enough away that it doesn't create a total solar eclipse. However, once the Moon's growing orbit takes it approximately 14,600 miles (23,500 km) farther away from Earth, it will always be too far away to completely cover the Sun. That won't happen for a long time though.
Explanation:
https://spaceplace.nasa.gov/total-solar-eclipse/en/
Sir Isaac Newton probably never conducted any experiments.
True
False
Answers
Answer:
false
Explanation:
most of the elements to the left of the stair step line in the periodic table exist as what?
Answers
How the lion interacts its community and influences the ecosystem around it both abiotically?
Answers
Explanation:
HOPE IT WILL HELP YOU TO SOLVE YOUR QUESTION.when ventricles contract, blood is pumped...
a. into the veins
b. out of the heart
c. into the heart
Answers
Answer: C.) Into the heart
Once the ventricles flow through veins, the blood goes to the heart, it literally goes to the heart so the heart can pump the blood to your veins and it flows throughout your body.
Hope this help. :)
Which organisms are endangered?
Select all that apply.
Garry oak
grizzly bears
scotch broom
California condor
Answers
Answer: Only the California condor is endangered
Explanation:
HELP PLEASE IF I GET IT WRONG I GET EVERYTHING WRONG
Which of the following is an example of a micro-habitat?
a
Abuela's vegetable garden on her huge farm
b
Ms. Steinmann's 200 gallon fish tank
c
woods behind the school
d
the algae growing on a seashell where tiny sea animals called plankton live
Answers
I'm stuck between A and D but I'm most sure about D
what structure forms during telophase before 2 daughter cells completely separate
Answers
Answer:
During telophase, a nuclear membrane forms around each set of chromosomes to separate the nuclear DNA from the cytoplasm.
Explanation:
Hope this helped Mark BRAINLIEST!!!
two functions of the anther and why it attracts insects.
Answers
Answer:
yeah
Explanation:
Produce male sex cells (pollen grains)
in humans a widow's peak is dominant to not having widow's peak determine all possible genotypes
Widow peak=
No widow peak+
Answers
Answer:
Widow peak= AA, Aa
Not widow peak= aa
Answer:
If you have a widows peak then it's an example of genotype
Explanation:
Compare photosynthesis and cellular respiration. In what types of cells do these processes occur?
Answers
Answer:
photosynthesis occur in the chloroplasts ,cellular respiration occurs in the mitochondria
You buy a cell phone for $ 200 . The value y decrease by 30% each year. What would be the value of the cell phone in 2 years?
Answers
Answer:
The present value after 2 years is $98
Explanation:
Given
[tex]a = 200[/tex]
[tex]r = 30\%[/tex]
[tex]t = 2[/tex]
Required
Determine the new value
This is calculated using:
[tex]y = ab^t[/tex]
Where b =
[tex]b = 1 - r[/tex]
This gives:
[tex]b = 1-30\%[/tex]
[tex]b = 1-0.30[/tex]
[tex]b = 0.70[/tex]
So:
[tex]y = ab^t[/tex]
[tex]y =200 * 0.70 ^2[/tex]
[tex]y =98[/tex]
The present value after 2 years is $98
Answer:
$98
Explanation:
It is the "Correct Answer"
Tendonitis causes the tendon to become ___.
a.
weaker.
c.
elastic.
b.
inflamed.
d.
none of the above.
Answers
Answer:
inflamed
Explanation:
Answer:
b. inflamed
Explanation:
A letter about the evidence of evolution
Answers
Answer:
I am writing this in response to a letter regarding evolution. Evolution is increasingly solid, not shaky. Darwin’s “theory” or explanation was a way of understanding what he had discovered (which did not include genes, chromosomes, DNA or nucleotide bases). Our explanations now include genetics and the commonality of mutation.
Proofs are solid, not in question by serious scientists. Direct observation is one, which we see in the fact that this year’s flu evolved a little too far from last year’s, so flu shots are less effective this year than we would like them to be.
Fossils tell the story well: whales with legs, dinosaurs with feathers and Tiktaalik. The latter was found in the Canadian north and is part fish, part amphibian, before there were ever any amphibians. Imperfection is a good proof: think of your useless appendix, the very bad design of your ankles, knees, and back (talk to a chiropractor about that). You have big toes because they used to be useful thumbs for your grasping feet.
Many other animals and even plants similarly have flaws that show their evolutionary past. Two large human chromosomes reflect the coming together of two chimpanzee chromosomes each.
Hope it helps,
Please mark me as the brainliest
Thank you
Cystic fibrosis is caused by a recessive allele. The frequency of this allele is 0.1 in a population of 2,500.
What is the frequency of the dominant allele?
How many people in this population will have cystic fibrosis?
How many people in this population are cystic fibrosis carriers? (Heterozygous)
Answers
Answer:
For example, the allele frequency of the mutant cystic fibrosis allele among Caucasians is 0.025, while the frequency of the normal allele is 0.975.
Explanation: hope fully this helps
The frequency of the dominant allele is 0.975, and the frequency of the cystic fibrosis (recessive) allele in the population is 0.02 (or 2%). 42 % is the people in this population are cystic fibrosis carriers.
What is the Hardy-Weinberg equation?Hardy-Weinberg equation states that there will be no change in the genotype of a population unless, there is any evolutionary change happens.
This is the Hardy-Weinberg equation
p2 + 2pq + q2 = 1 and p + q = 1
The people in this population are cystic fibrosis carriers
2pq = 2 (0.7 x 0.3) = 0.42 = 42%
Thus, the correct option is 0.975, 0.02 (or 2%), and 42 %
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A veterinarian thinks that a dog has swallowed a key ring. Which types of electromagnetic waves is the doctor most likely to use to check the dog?
gamma rays
microwaves
radio waves
X-rays
Answers
Answer:
X-Ray
Explanation: It is just what they use
The X-rays represent the types of electromagnetic waves that the doctor will use to check the dog.
What are X-rays?X-rays can be defined as a special type of electromagnetic radiation that can be used to create images inside the body.
The wavelengths of X rays range from 11 picometers (pc) to only 10 nanometers (nm).X-rays are used in medicine because these types of rays can pass through the human and animal bodies.In conclusion, the X-rays represent the types of electromagnetic waves that the doctor will use to check the dog.
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The genetic information Contained In the cell resulting from meiosis?
Answers
Answer:
The answer to the question is DNA
Answer:
C) determines the traits of offspring resulting from sexual reproduction
Explanation:
The genetic information contained in the cells resulting from meiosis determines the traits of offspring resulting from sexual reproduction
Hopes it helps!! ;)
Two brown-eyed parents have produced three blue-eyed sons. What can be concluded about the parents?
Only the father carries an allele for blue eyes.
Only the mother carries a dominant allele for blue eyes.
The allele for blue eyes is on the father's Y chromosome.
They both carry a recessive allele for blue eyes.
Answers
Answer: C, I think
Explanation:
Astronomers often need to collect data and observations from distant objects to which it is dangerous for astronauts to travel. Which instrument helps astronomers safely collect samples from distant objects to which they cannot travel?
Answers
Answer:
They study nearby objects and match their properties with those of distant objects.
Explanation:
I have already took a test for this.
Since we are unable to reach stars or collect samples from distant galaxies, electromagnetic radiation, or light, is the only means for far-off things in space to communicate with us.
What instrument helps astronomers safely collect samples?
Telescopes or other devices that have been launched into space as space observatories gather information about distant planets, galaxies, and other astronomical objects.
Numerous telescopes sensitive to various regions of the electromagnetic spectrum are used by astronomers to explore objects in space.
Although the nature of all light is basically the same, how astronomers observe light varies on the region of the spectrum they are interested in.
Therefore, telescopes are light collectors, light is responsible for Hubble Space Telescope.
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Help me please!!! Will mark brainstest
Which example best represents an object with balanced forces acting upon it? Answers in the picture
Answers
Answer:
The answer is B. A book sitting on a high shelf.
Explanation:
Because the book is balanced, and something that is balanced stays balanced until you move it.
biology need help asap
Answers
Answer:
picture 1: frameshift mutation picture 2: karyotype c
Explanation: