Answer:
About 0.6 cm 5.
Explanation:
Check all that are true of the following scenario.
An archer strings an arrow on a bow and draws the string back. Aiming the bow
upwards at a 45 degree angle, the archer pauses with arms locked into position and
then releases the string. The arrow flies upwards making an arc and then sticks into
the trunk of a tree with an audible thud.
At least four different types of energy are illustrated in this example.
The first energy transformation in the scenario is chemical energy to kinetic.
From the time the archer draws the bow until the thud us heard, entropy increases in
the universe.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the
muscles of the archer.
When the arrow sticks into the tree the original energy has all been used up.
Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.
The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.
When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.
For more such questions on energy
https://brainly.com/question/30337295
#SPJ8
Select a literary work to use as the subject of your literary analysis.
We can see here that in order to write your literary analysis, here is a guide that will help you:
Make research on the literary works you want to make use of.The literary works should be read before the analysis startsYour literary analysis should show all important information from the selected analysis.What is literary analysis?We can define literary analysis is the technique of thoroughly examining a work of literature in order to comprehend its meaning and significance.
It entails attentively evaluating a literary work's language, structure, and topics, as well as considering the historical and cultural environment in which it was created.
The purpose of literary analysis is to get a better knowledge of the literary work, to identify the author's literary techniques, and to examine how those approaches contribute to the overall meaning and impact of the work.
Learn more about literary analysis on https://brainly.com/question/18533350
#SPJ1
Researchers are investigating the incidence of algal blooms in neighborhood ponds. In summer, they collect water samples from over 100 neighborhood ponds in Dallas, Texas and surrounding cities. They also surveyed residents in each neighborhood to collect data such as average lot size, average home value, average resident income, and lawn care methods. The researchers found that neighborhoods with large lots, high home values, and high income levels were likely to use automatic sprinklers and synthetic fertilizers on their lawns. These same neighborhoods were very likely to have abundant algae in their ponds. Based on this research, which conclusion provides the best explanation for why algae proliferate in neighborhood ponds?
Answer:
Excessive synthetic fertilizer that washes into ponds may be the reason for which algae become so abundant.
Explanation:
Algal blooms that feed on fertilizers can deplete oxygen in water, thereby producing inhospitable ponds. In this regard, it has been shown that the runoff of fertilizers from farms (which are rich in nitrogenous matter) may cause algae to become abundant in coastal environments, depleting oxygen in the water and killing the living organisms that inhabit these areas.
Which of the following statements about enzymes is not true?A. all enzymes are used up with each completed reaction B. Enzymes are proteins C. Enzymes are organic catalystsD.enzymes work best at a specific pH
A - False, enzymes can be used in several reactions before being degraded.
B - True, the big majority of enzymes are proteins, even though a few enzymes are made of ARN, that are called ribozymes.
C - True.
D - True. Enzymes have optimal conditions of pH and temperature that allow their best functioning.
Answer: The statement that is not true is A.
\The data in the table were recorded during an investigation in which a paramecium was placed in a hypertonic salt solution.
A 2-column table labeled Paramecium Contractile Vacuole Contractions has 5 rows. The first column is labeled salt concentration outside paramecium with entries very high, high, medium, low, very low. The second column is labeled contractions per minute with entries 2, 8, 15, 22, 30.
Which statement correctly describes the bars on a bar graph representing the data?
The graph has five bars of equal height.
The bars range from tallest for very high concentration to shortest for very low concentration.
The bar for very low concentration is twice the height of the bar for medium concentration.
The bar for very high concentration is five times the height of the bar for very low concentration.
The table Paramecium Contractile Vacuole Contractions which correctly describes the bars on a bar graph representing the data is the bars range from tallest for very high concentration to shortest for very low concentration.
The data in the table records the number of contractions per minute of a paramecium's contractile vacuole in response to different salt concentrations in the surrounding environment.
A bar graph representing this data would have five bars, one for each level of salt concentration.
The bars would vary in height according to the number of contractions per minute, with the tallest bar representing the highest salt concentration and the shortest bar representing the lowest salt concentration.
Therefore, the correct statement describing the bars on the bar graph would be: "The bars range from tallest for very high concentration to shortest for very low concentration."
This statement accurately describes how the height of the bars would vary based on the data in the table.
The other statements do not accurately represent the data or the trends observed in the table.
For more questions on Paramecium Contractile Vacuole Contractions
https://brainly.com/question/30438288
#SPJ8
Mrs. Ever hart developed the theory that all bulldogs are great pets . After all her bulldog Meatball is a wonderful dog .... do that sound like a statement or scientific theory .?
help asap asap pls
Answer:
number 12 should be the last answer, and never 13 should be the 2nd answer!
How does carbon cycle through Earth's systems?
A. As fossil fuels are burned, carbon dioxide is made available for
photosynthesis in animal cells. When the animals die, carbon is
released into the soil, and the animal remains form new fossil
fuels.
B. Animals absorb carbon dioxide through their skin. Dead animals
release carbon into the soil. Plants absorb the carbon from the soil
and release carbon dioxide during photosynthesis.
C. Plants absorb carbon dioxide through their leaves. Animals take in
the carbon when they eat the plants. Animals exhale carbon
dioxide. Dead plants and animals release carbon into the soil.
D. Photosynthesis releases carbon dioxide into the atmosphere.
Cellular respiration uses carbon dioxide.
Answer:
C.
Explanation:
because this is true that plants may do this
You eat delicious Chinese takeout for dinner. Your body stores the fats from your meal in the form of:
a cholesterol
b triglycerides
C fatty acids
d phospholipids
Check
The food's fat is stored in the body in the form of triglycerides. The correct option is b.
What are triglycerides?Triglycerides are a type of lipid (fat) found in the blood. When you eat, your body converts any calories that aren't immediately used into triglycerides.
Triglycerides are stored in the fat cells of your body. Triglycerides are then released by hormones for energy between meals.
Sugary foods and beverages, saturated fats, refined grains, alcohol, and high-calorie foods can all contribute to high triglyceride levels.
A triglyceride is an ester composed of three fatty acids and glycerol. Triglycerides are the primary components of human and other vertebrate body fat, as well as vegetable fat.
Triglycerides are fat molecules that are stored in fat cells in humans and other animals. Phosphate and glycerol are also found in phospholipids, in addition to fatty acids.
Thus, the correct option is b.
For more details regarding triglycerides, visit:
https://brainly.com/question/13840067
#SPJ2
Science/Grade 7 - Bell - 6 / Bel
Read the following claim.
Symbiotic relationships are important to an
ecosystem.
What evidence from the article supports this claim?
Think about what you read about the interaction of
species in an ecosystem, then explain how the details
support the claim
The article is
Symbiosis the art of living together
The observation of the relationships between the anemone and clownfish supports the statement 'symbiotic relationships are important to an ecosystem' it is a fundamental ecological interaction.
What is symbiosis?Symbiosis is a type of ecological interaction where both organisms are benefited from such interaction.
Symbiosis is a fundamental biological interaction that supports the delicate equilibrium (homeostasis) of both marine and terrestrial environments.
The relationships between the anemone and clownfish represent a piece of clear evidence that symbiosis not only helps these species but also the entire ecosystem.
Learn more about symbiosis here:
https://brainly.com/question/494031
:Which of the following is not a factor that breaks dormancy in seeds
Seeds must be dispersed before germinating a O
Seed gets buried under the soil, but needs to be on the surface bo
Seeds need to be digested by an animal before germination .CO
Seeds need to be burnt before germinating do
Seed needs moisture in the soil
.eo
Answer:
d
Explanation:
What do these three objects have in common?
Blind - Expiry - Due
Answer:
Explanation:
their all words
These objects such as the blind, expiration, and due represent the terms used in finance and represent the time period till which they represent
The blind is a bookkeeping system and it does not consist of any additional information regarding the source. The expirer is a time period or the validity to when the product or the item has to expire or will work. The Due is the due date of submission or return of the amount etc. Hence they are related to time.Learn more about the objects has in common.
brainly.com/question/19016203.
which of the following pairs of elements would behave in similar fashion?
1. oxygen and nitrogen
2. lithium and potassium
3. calcium and sulfur
4. helium and hydrogen
Explanation:
2.lithium and potassium
What is the answer to the screenshot below for 20 points
Answer:
The Ventral (anterior) trunk.
Explanation:
Generally speaking, the anterior/ventral ramus innervates the skin and muscle on the anterior aspect of the trunk.
!DISCLAIMER! I am not 100% sure on this.
Do dogs temperature go up after running ?
Answer:
No
Explanation:
After dogs run, just like humans because we are considered animals to, our bodies steadily decrease in temperature until the temperature reaches the regular body temperature. That's why dogs stick there tongue out and breath hard, they are trying to cool down there body temperatures, after of course they just did something to rise it. I Hope This Helps :)
Answer: I am pretty sure that they're temperature does go up because of the friction from running
Explanation: Dogs can also over heat from running in hot weather and my dog got a heat stroke last summer from laying in the sun for to long so be careful and make sure your dog(s) are/is hydrated!
An invasive species of water plant is damaging the ecosystem of a nearby lake. Scientists need a solution that will control the growth of the plant without further damaging the ecosystem. Which solution can scientists use that would reduce or remove any negative impact on the ecosystem?
Answer:
One possible solution that scientists can use to control the invasive water plant is to remove as much of the plant material as possible without breaking it into small pieces that could spread further. Another possible solution is to introduce insects or fish that can feed on the plant and reduce its population. These choices could be options of how to remove the invasive species plant.
Hope this helps :)
Would you be bothered if you were in a restaurant and people came in wearing scrubs? Why or why not?
Scrubs are accepted in restaurants because scrubs have become medical uniforms worn by the medical practioners.
What is Scrubs?Scrubs are a type of sanitary clothing worn by physicians, nurses, dentists, and other workers. It is worn by those who are involved in patient care.
The garment was initially a gown but now includes the shirt and pants worn by scrubs for surgery. Wearing scrubs has become a trend in the profession, as has wearing a white coat or carrying a stethoscope.
Scrubs were in one color, but often came as a dull blue (known as Dr. blue) or mint green. Scrubs are made of cotton, but scrubs made of a blend of polyester and cotton to maintain a wrinkle free dress.
Thus, scrubs are accepted in restaurants because scrubs have become medical uniforms worn by the medical practioners.
Learn more about Scrubs, here:
https://brainly.com/question/906573
#SPJ1
Describe the purposes and usage of nucleic acids and their role in genetic mutations?
Answer:
Genetics take a long time to mutate.
Explanation:
The teacher noticed that Carrie seemed quite restless today and was having difficulty concentrating on any task that she started. She continuously squirmed, whether in her chair or sitting on the floor. On a number of occasions, the teacher also observed Carrie tugging at her underwear and scratching her bottom. She recalled that Carrie’s mother had mentioned something about getting her younger brother tested for pinworms and wondered if this might be what she was observing.
Required:
If Carrie does have pinworms, for what length of time should the other children be observed for similar problems?
Answer: Other children should be observed after the average of 6 weeks from the time of exposure to Carrie who is suspected to be infected by Pin worm.
Explanation:
Pin worm also called enterobiasis vermicularis is a parasitic nematode. The eggs are found in the specimen collected from the perianal skin and in the faeces of an infected individual. In its worldwide distribution, children are more commonly infected than adults. This is so because autoinfection by swallowing infective eggs is common in children. The eggs cause intense irritation and scratching of the infected area leads to the fingers becoming contaminated with eggs. This was observed by Carrie's teacher, as she usually scratch her bottom.
Other children should be observed after the average of 6 weeks from the time of exposure to infective eggs. This is because of the direct life cycle exhibited by the worm. Following ingestion of infective eggs, the larvae hatch in the intestine. Occasionally larvae hatch from the eggs on the perianal skin and migrate back into the intestine where they grow into mature worms. This type of infection is called RETROINFECTION. The larvae develop into fully mature worms in the large intestine. The female worms migrate to the rectum, pass out of the anus and lay their eggs on the perianal skin and perineum. The eggs are produced about 6 weeks after infection. They can remain viable on bedding, clothing, household objects, and in dust for several weeks.
Therefore from the life cycle of the worm, similar problem found in Carrie can be observed in other children after about six weeks of exposure to the infective eggs of the worm.
Describe how these gases act like a “thermal blanket.”
Answer:
The gases act like a thermal blanket cause they trap heat and warming the surface rather than allowing the heat to escape into space
Explanation:
Patrice is having a tough time developing confidence before she has to speak in front of a group of her colleagues. She asks her friend, Amelia, for help building confidence. What topic should Amelia recommend that Patrice study to BEST help her build confidence before future public speaking occurrences?
Phrasing
Mirroring
Haptics
Power poses
Amelia should recommend that Patrice study "Power poses" (option d) to best help build confidence before future public speaking occurrences.
Amelia should recommend that Patrice study "Power poses" as they are a proven method to boost confidence in public speaking. Power poses involve adopting postures that convey confidence and authority, which can have a positive psychological impact on the individual.
By practicing power poses before a presentation, Patrice can feel more self-assured and in control, leading to a better performance in front of her colleagues.
Although phrasing, mirroring, and haptics can be helpful in certain situations, power poses specifically target confidence-building and are most relevant to Patrice's concerns about her public speaking abilities.
For more such questions on Power poses, click on:
https://brainly.com/question/15236308
#SPJ11
Hey!
Okay, so, dragonflies breed and live in freshwater. We know that some live in floodplains and thrive there. What effect would a large flood have on a dragonfly population that lives in the floodplain?
Flooding and the destruction it may bring are very real risks for people who live in floodplains. Homes might be ruined or damaged populations. Property damage is possible.
If you make preparations now for potential flooding tomorrow, you can prevent it or at least lessen the damage if if live in a floodplain. Flooding can have negative environmental effects such as soil & bank erosion, bed erosion, siltation, or landslides. Flooding can harm plants, and contaminants transported by floodwater can have an impact on the ecosystems, flora, and animals as well as the water quality. Yet, flooding can be advantageous in natural population settings. Flood-plains are the river's bare banks. They are discovered as the river contracts during the dry season.
Learn more about population
https://brainly.com/question/21654221
#SPJ1
The first prokaryotes were probably fish. O True O False
Answer:
false
Explanation:
this is because phytoplankton came before fish way before them due to their living environments
1 A(n) hypothesis/observation is tested in an
experiment.
Answer:
if ur asking why here it is Scientists use observation to collect and record data, which enables them to construct and then test hypotheses and theories
- How could a rock be changed but still be classified as the same form of rock?
Answer:
If it rains, the rock will be wet. But it is still classified as the same type of rock.
Explanation:
I really hope this helps!
How is transcription similar to replication and how is it different?
Answer:
Transcription and replication are important processes that occur in cells but have distinct differences.
Similarities between transcription and replication:
1. Both transcription and replication involve the synthesis of nucleic acids. In replication, DNA is copied to produce an identical DNA molecule, while in transcription, DNA is used as a template to produce RNA.
2. Both processes occur in the nucleus of eukaryotic cells, although replication also occurs in the cytoplasm of prokaryotic cells.
Differences between transcription and replication:
1. Template: In replication, the entire DNA molecule serves as the template for copying. However, in transcription, only a specific DNA segment, called a gene, serves as the template for synthesizing an RNA molecule.
2. Product: Replication results in the production of an identical DNA molecule, while transcription produces an RNA molecule that is complementary to the DNA template.
3. Enzymes involved: Replication requires the involvement of multiple enzymes, including DNA polymerase, helicase, and ligase. Transcription, on the other hand, involves RNA polymerase, which catalyzes the synthesis of RNA from the DNA template.
4. Base pairing: During replication, DNA bases pair with their complementary bases (A with T and C with G) to produce an exact copy. In transcription, RNA bases pair with complementary DNA bases (A with U and C with G), resulting in an RNA molecule complementary to the template DNA strand.
Overall, while transcription and replication involve the synthesis of nucleic acids, they differ in terms of their templates, products, enzymes involved, and base pairing patterns. These processes are essential for cell function and crucial in genetic information transfer and maintenance.
Explanation:
similar between skin cell and fat cell
Answer:
Initial Vision Step Location
Dipin Ghimire
1. Where does the initial step in vision occur? Optic nerve Ganglion cell Retina OVisual cortex
The initial step in vision occurs in the retina, which is a layer of tissue at the back of the eye that contains light-sensitive cells called photoreceptors. When light enters the eye, it is absorbed by the photoreceptors, which convert it into electrical signals. These signals are then transmitted to other cells in the retina, such as ganglion cells, which transmit the signals to the brain via the optic nerve. The visual cortex, which is located in the brain, processes these signals to create the visual images that we see.
Dipin Ghimire
similar between skin cell and fat cell
Both skin cells and fat cells are types of cells that are found in the human body. Some of the similarities between these two types of cells include:
Both skin cells and fat cells are made up of cell membranes, cytoplasm, and nuclei.
Both types of cells contain organelles such as mitochondria, ribosomes, and endoplasmic reticulum.
Both skin cells and fat cells are capable of dividing and reproducing to maintain the integrity and function of the tissues in which they are found.
Both skin cells and fat cells are essential for the proper functioning of the body and play important roles in maintaining health and well-being.
What happens to the cells located in the apical meristem of a root as the root grows downward?
As the cells located in the apical meristem of a root grow downward, the cells continue to divide and produce more unspecialised cells (option B).
What are apical meristem?Apical meristems are the growth region in plants found within the root tips and the tips of the new shoots and leaves.
Apical meristem is one of three types of meristem, or tissue which can differentiate into different cell types. Meristem is the tissue in which growth occurs in plants.
The root apical meristem is protected as it passes through the soil by an outer region of living parenchyma cells called the root cap.
As the cells of the root cap are destroyed and sloughed off, new cells are added by a special internal layer of meristematic cells called the calyptrogen.
Therefore, as the cells of the apical meristem grow downward, the cells continually divide to produce unspecialised cells.
Learn more about apical meristem at: https://brainly.com/question/798517
#SPJ1
Do you think the unofficial titles of some eras (i.e., Age of Fishes, Age of Reptiles,
Age of Mammals) are informative or an oversimplification? Explain your reasoning.
with alternative unofficial titles based on what you have learned about
Come up
each era
The unofficial titles of some eras such as Age of Fishes, Age of Reptiles and Age of Mammals are really informative and they are not oversimplifications because these periods reflect the emergence of different taxonomic groups in the course of evolution.
What are animal eras?The animal eras are periods during the geological time in which certain groups of animals appeared in the course of evolution, which results informative to determine how evolution (change) occurred due to natural selection.
For example, mammals emerged as a taxonomic group during the Cenozoic Era, which occurred approximately 65 million years ago and this period is known as the Age of mammals.
Therefore, with this data, we can see that an animal era is not only an oversimplified term because it also involves the emergence of certain taxonomic groups during the evolution and can serve to contextualize geological periods in a biological framework.
Learn more about the age of mammals here:
https://brainly.com/question/14362597
#SPJ1
What does the line of blue triangles mean on a weather map?
1. a stationary front
2. an occluded front
3. a cold front
4. a warm front