Answers
Answer:
C
Explanation:
Newton's Second Law of Motion states that acceleration is dependent on 2 things: the net force acting upon the object and the object's mass.
This law is shown is these equations:
acceleration=net force/mass
net force=acceleration*mass
Hope this helps! :)
Answer:
C
Explanation:
Newton's Second Law of Motion states that acceleration is dependent on 2 things.
Related Questions
What type of molecule was likely broken down during this treatment that caused the cell organelles
to be dispersed?
A. Cellulose
B. Phospholipid bilayer
C. Actin filaments
D. Nuclear pores
E. Starch
Answers
Answer: B Phospholipid bilayer
Explanation:
If the lipid bilayer is broken, the internal organelles and the cytoplasm of the cell are dispersed, since this layer makes up the cell membrane, cellulose is part of the structure of the wall of plant cells, so the response A does not is correct, answer C is false because actin filaments participate in the contraction of muscle fiber and not membrane, answer D is incorrect because nuclear pores have as a function the passage of substances to the nucleus and the response E is incorrect because the starch is a carbohydrate, which has plants in reserve to be consumed.
1. All the members of one species in an area
What’s that called ?
Answers
Answer:
Population
Explanation:
All the members of one species in a particular area are referred to as a population.
Answer:
population
Explanation:
Where in the state of Indiana would you expect to experience earthquakes as a result of the Wabash Valley Fault System?
Central
southwest comer
northeast comer
southern half of the state
If a man is heterozygous (Aa) for a trait, predict his possible sperm
Answers
Answer:i know that the first one is the southwest corner
Explanation:
Which condition causes storms to occur?
A. freezing of water droplets
B. sudden change in air pressure
C. condensation of water vapor
D. rapid heating of upper atmosphere
Answers
B. A sudden change in air pressure is a key condition that causes storms to occur.
Why storm forms?Storms form when there is a significant difference in air pressure between two areas. This difference creates a pressure gradient, which causes air to move from high pressure to low pressure in an attempt to balance the pressure. When air moves, it rises, cools, and condenses into clouds.
If the difference in air pressure becomes large enough, the rising air can create strong winds and precipitation, resulting in a storm. So, a sudden change in air pressure is one of the essential conditions for the formation of storms.
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How do rivers erode Earth's surface?
A. Rivers experience extreme temperature changes, causing rocks to contract and crack.
B. Rivers do not cause any changes to surface rock or underwater rocks as they move over them.
C. Rivers remove plants from their bottoms and deposit them downstream, leaving rocks
unaffected.
D. Rivers break small pieces of rock from their sides and bottom and deposit them downstream.
Answers
In pea plants, red flowers and round pollen are known to be recessive traits. In a dihybrid cross experiment, lots of plants with red flowers and round pollen are found in the F2 generation. How is this possible?
The genes for flower color and pollen shape are found on different chromosomes.
Multiple genes control the traits for flower color and pollen shape.
The genes for flower color are linked to pea shape, but not pollen shape.
The genes for flower color and pollen shape are linked.
Answers
Answer:
The last one if there are multiple answers please tell me.
Explanation:
just when with the one i knew in heart
The reappearance of recessive traits (red flowers and round pollen) in the F2 generation of a dihybrid cross is explained by Mendel's Law of Independent Assortment, which states that genes on different chromosomes assort independently during gamete formation. When members of the F1 generation cross-pollinate, recombination of alleles can result in the re-expression of the recessive traits in the F2 generation.
Explanation:Your observation of red flowers and round pollen in the F2 generation of a dihybrid cross in pea plants is possible because these traits are on different chromosomes. If two genes are located on separate chromosomes, they will assort independently during gamete formation. In a dihybrid cross involving two traits, the different combinations of alleles may result in the re-expresssion of recessive traits in the F2 generation. This is known Mendel's Law of Independent Assortment.
To illustrate, consider that a parental generation plant with dominant alleles for both traits (i.e., purple flowers and elongated pollen) is crossed with a plant having recessive alleles (i.e., red flowers and round pollen). In this case, the F1 generation will all exhibit the dominant traits because dominance masks the effect of recessive alleles. However, when the F1 generation cross-pollinates, the F2 offspring can include plants with the recessive traits due to recombination of alleles.
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Why is it important to follow prescription instructions exactly?
Answers
Give examples of the physical components of an ecosystems that can change populations.
Answers
Final answer:
Physical components of an ecosystem, such as catastrophic events, forest structures, and geological processes, can significantly alter populations and lead to processes like ecological succession. The study of acorn production illustrates how food resource availability can fluctuate population dynamics. Understanding how humans impact these ecosystems is critical for assessing biodiversity conservation.
Explanation:
The physical components of an ecosystem can significantly influence populations within it. Examples that can change populations include catastrophic events such as floods, fires, and volcanic eruptions. These events can lead to a long process called ecological succession, where the ecosystem gradually recovers and reestablishes itself through a succession of species.
Additionally, at both local and broader scales, biological communities can also alter the physical environment. For instance, forests affect wind speed, soil chemistry, and light penetration. A study on acorn production demonstrated how the populations of small mammals and ground-nesting birds fluctuate with the available food resources. Identifying various ecosystems such as forests, wetlands, and Garry oak meadows helps to understand the nuanced interactions of organisms and the environment, especially when discussing how humans impact ecosystems.
Chapter 4 will delve into how such environmental changes influence population dynamics, highlighting the continuous nature of evolution and species interaction shaped by these changes. From a broader perspective, geological processes such as continental drift and meteor impacts lead to the loss and creation of ecological niches, indicating the deep interconnection between physical changes and population shifts.
Which of the following factors is needed during light-dependent reactions to create ATP and NADPH energy molecules?
Answers
The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier NADPH. In plants, the light reactions take place in the thylakoid membranes of organelles called chloroplasts.
Answer:
Solar energy
Explanation:
Because although there are MANY factors that play into this process, the one that it cannot do without at all, whatsoever, is Solar Energy.
why should/shouldn't Pluto be reclassified as a planet?
Answers
Answer:
(This could be opinion based, but ok.)
Explanation:
should:Pluto was known as a planet for 75 years. This means that most people already knew it as a planet, and would be extremely confused. All of the books about planets would be inaccurate and changed. Not all people can access brand new books, leading to inaccurate information.
shouldn't: The same reason that it was unclassified as a planet. It does not adhere to all of the rules of being a planet. It is not completely round and does not have a round orbit around the sun. Pluto does not have every requirement to be a real planet, and therefor, it would be incorrect to have it classified wrongly.
A species of fly lacks wings. How would biologists explain how a species of fly without wings evolved from an ancestral fly species with wings ?
Answers
Answer:The species of fly did not need the wings because of its specific environment.The species of fly did not need the wings because of its specific environment.
Explanation: The species of fly did not need the wings because of its specific environment.
The species of fly did not need the wings because of its specific environment.
Biologists can explain how a species of fly without wings evolved from an ancestral fly species with wings through environmental adaptedness.
Environmental change is any change in an ecosystem or environment that warrens adaptability from the inhabiting organisms in order to survive. The ability to adapt to these changes is known as environmental adaptedness. This is a form of evolution in which an organism will generate or loose characteristics in response to changes in its way of life.
Biologist can explain how a species of fly without wings evolved from an ancestral fly species with wings through environmental adaptedness because the presence of unnecessary wings would have caused the expenditure of energy with no benefit to the fly, therefore, the offspring of a fly who lives in an environment which has no need for the ability to fly will gradually loose their wings in order to retain more energy and function more efficiently. This is evolution through environmental adaptedness.
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Identify the structures in the cell pictured on the
right
Label A
Label B
Label C
Label D
Answers
Answer:
A. Cell Membrane
B. Cytoplasm
C. Ribosomes
D. DNA
Explanation:
Hope This Helps
Answer:
A. Cell Membrane
B. Cytoplasm
C. Ribosomes
D. DNA
n:
In flies, long wings are a dominant trait, and short wings are a recessive trait. Medium wings are the heterozygous trait. Based on this information, if a homozygous long-winged fly is crossed with another a heterozygous fly, their offspring will have which percentages for long, medium, and short wings? Assume random chromosome segregation.
Answers
Answer:
there is a 100% chance it will contain the recessive allele and a 50% chance it will have the recessive trait
I tried to attach a document I made of a punnet square to help further explain
Explanation:
HELP SCIENCE!!! I will give brainliest! for the best answer
Explain the relationship between producers, consumers, and decomposers in the process of energy transfer in a food web
Answers
Answer: A producer is like grass, then consumers like a zebra will eat the grass, and wen the zebra dies its body breaks down and helps more grass grow. That cycle keeps going over and over, it never ends.
Explanation: producer: organisms that make their own food
consumers: organisms that will eat the producers to gain energy
decomposer: organisms that decomposes organic matter such as fungi
Marina has three dogs. She should check them regularly for ticks to avoid contracting:
A) Dysentery
B) Yellow fever
C) Rocky Mountain spotted fever
D) Scarlet fever
Answers
Answer:
Rocky Mountain spotted fever
Explanation:
Marina should regularly check her dogs for ticks to prevent contracting Rocky Mountain spotted fever, a disease caused by Rickettsia rickettsii and transmitted by ticks like the American dog tick.
Marina has three dogs and should check them regularly for ticks to avoid contracting Rocky Mountain spotted fever (RMSF). RMSF is a potentially fatal, tickborne disease caused by the bacterium Rickettsia rickettsii. This disease is mainly transmitted through the bite of hard-bodied ticks such as the American dog tick (Dermacentor variabilis), Rocky Mountain wood tick (D. andersoni), or brown dog tick (Rhipicephalus sanguineus). Among the diseases listed: Dysentery, Yellow fever, Rocky Mountain spotted fever, and Scarlet fever, only Rocky Mountain spotted fever is transmitted by ticks. Regularly checking her dogs for ticks and removing any ticks found can help prevent the spread of this disease.
Read the following scenarios and answer the question in each one.
15. A 17-year-old linebacker for the high school football team had a helmet-to-helmet collision with the running back
from the opposing team. The linebacker was assisted off the field and evaluated by the trainer, who
recommended that he be evaluated in the emergency room. The MRI in the emergency room showed bruising of
the cerebral tissue. What is the diagnosis for this patient?
Answers
The diagnosis for this patient in the given scenario is - Cerebral contusion
Cerebral contusion
It is a form of traumatic brain injury in which found bruises of the brain tissue like in this case MRI showed bruising of the cerebral tissue. In this case, the collision of both players leads to cerebral contusion.
A cerebral contusion can lead to microhemorrhages, small blood vessel leaks into brain tissue. A cerebral contusion occurs due to severe head injuries. This could result in a fatal condition.
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The linebacker's diagnosis is likely a concussion, a common form of traumatic brain injury in contact sports like football.
Explanation:The diagnosis for the 17-year-old linebacker who experienced a helmet-to-helmet collision and showed bruising of the cerebral tissue on an MRI is most likely a concussion. This is considered the mildest and most common type of traumatic brain injury (TBI) and can cause symptoms like headache, drowsiness, and confusion. Football is a contact sport where the risk of concussions is significant despite the use of helmets.
1. What happens to organisms that have adaptations that longer work for their environment?
Answers
Answer:
There's two possibilities, either nothing happens, or they are slowly eliminated from the population.
Explanation:
Some adaptations are no longer useful, like wisdom teeth for us humans or hip bones in whales. Whales definitely don't need hip bones, but having them also doesn't really hurt their chances of survival. In these cases it doesn't matter, so the individuals remain in the population.
If the organism's chance of survival is decreased due to its adaptation no longer working, then it will be eliminated from the population through natural selection. For example, if an individual's camouflage stops working, they will be less likely to survive and reproduce.
What does the Earth's atmosphere do?
Create meteors
Regulate temperatures
Control population
Provide light
Answers
Answer: the answer is b
Explanation: The atmosphere, a thin shell of gases surrounding the Earth, is a very effective protective shield that reflects and absorbs harmful radiation and objects like meteorites.
Answer:
B it regulates temperature.
Explanation:
The atmosphere is an important part of what makes Earth livable. It blocks some of the Sun's dangerous rays from reaching Earth. It traps heat, making Earth a comfortable temperature. And the oxygen within our atmosphere is essential for life.
While conducting experiments with E. coli, Meselson and Stahl established that during DNA replication, each of the two strands that compose the double helix were used as a template for the new strands of DNA. The scientists described the replication method as semi-conservative. Explain what this means in terms of DNA replication.
A) The two original DNA strands, the parental strands, woulde-be used as templates to synthesize new strands.
B) After base pairing, both copies of the new DNA molecules would be a mix of alternating segments of old and new DNA.
C) Base pairing would result in two double-stranded DNA molecules that would include one parental or old strand and one daughter or new strand.
D) The two newly-synthesized strands, the daughter strands, would basepair with each other; one to form one all-old strand and one all-new strand.
Answers
Answer:
the answer is not D its C
Explanation:
Which term best describes the community shown in the photograph?
Answers
Answer: large population for Ap!x
Add your results to those of your partner to produce a total of 20 tosses. Assuming that you expect ten heads and ten tails in 20 tosses, how close are these results to what was expected?
Answers
Answer:
the results are 3 away from being a 50/50 which are expected results
Explanation:
i flipped a coin 20 times and it landed on heads 13 times and tails 7 times
What pattern is described by the theory of punctuated equilibrium? Punctuated equilibrium
Answers
Answ
paces of species
Explanation:
The theory of punctuated equilibrium in evolutionary biology posits that long periods of stability in species are interspersed with brief phases of rapid evolutionary change. This concept, proposed by Eldredge and Gould, contrasts with gradualism, which argues for steady evolutionary change over time.
Understanding Punctuated Equilibrium
The theory of punctuated equilibrium describes a pattern in the evolutionary process. According to this theory, the evolution of species is marked by long periods of relative stability or stasis, interrupted by short, but significant phases of rapid evolutionary change. This model contrasts with gradualism, which suggests that evolutionary change occurs slowly and steadily over time. The concept of punctuated equilibrium was first proposed by paleontologists Niles Eldredge and Stephen Jay Gould in 1972.
Drawing from fossil records, this model observes that species often remain unchanged for extended intervals—a phenomenon known as stasis. Evolutionary transformations appear more abrupt in geological terms, happening over thousands or maybe a few million years, which still seems sudden compared to the lifespan of most species. This rapid change is usually associated with speciation events, where new species are formed.
Therefore, punctuated equilibrium is a model of the timing of evolution, highlighting how long periods of little evolutionary change are punctuated by bursts of rapid evolutionary change. It's important to note that these periods of rapid change are not instantaneous but are rapid in comparison to the long periods of stasis that precede them.
Which scientist and atomic model are correctly matched?
Answers
Answer:
The answer is Rutherford inferred the existence of a dense, positively charged nucleus.
Explanation:
Answer:
Rutherford inferred the existence of a dense, positively charged nucleus based on results of a scattering experiment. Bohr confirmed the existence of protons in the nucleus.
Explanation:
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Atomic radius blank as the atomic number increases across the period.
Answers
Answer:
The atomic radius of atoms generally decreases from left to right across a period. ... Within a period, protons are added to the nucleus as electrons are being added to the same principal energy level. These electrons are gradually pulled closer to the nucleus because of its increased positive charge
Explanation:
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Which of the following is NOT true of mechanical digestion? Muscular contraction in the stomach mix food The teeth and tongue break food into smaller pieces It starts in the mouth Enzymes break down food
Answers
Answer:
It starts in the mouth Enzymes break down food
Explanation:
Mechanical digestion is a type of digestion which is done by breaking of food materials into small pieces through physical means such as cutting and crushing by teeth and muscular contraction of stomach while the break down of food molecules by the action of enzyme such as saliva etc is chemical digestion. Chemical digestion helps in speeding up the process of digestion.
Answer:
D. Enzymes break down food.
Explanation:
Mechanical digestion is the physical breaking down of food that starts in the mouth by chewing. Enzymes would be part of the chemical digestion.
a student builds an model of her bedroom. the scale is 1:25 in the scale model, the students bed is 3 inches long how long is her actual bed ?
Answers
The size of actual bed is 75 inches
Explanation:
Scale refers to the ratio of the original dimension to the dimension on paper (miniaturised dimension). Since it is a ratio, it has no dimension.
Scale= original dimension/miniaturised dimension
Given that scale is 1:25
It means that every 1 inch on paper would correspond to 25 inches in reality.
The length of the model bed= 3 inches
Hence, the length of the original bed is 25*3 = 75 inches
∴ Length of the actual bed of the student is 75 inches.
By definition of scale, the length of the actual bed of the student is 75 inches.
In first place, you have to know that the scale is the relationship that exists between the magnitudes of a drawing and the actual dimensions.
That is, the scale is defined by two numbers that determine the relationship between the drawing and reality.
The first number of the proportion or relationship refers to the drawing on paper, while the second number of the proportion refers to the reality of the object (actual dimensions). This is, Scale = Drawing: Reality or [tex]scale=\frac{drawing}{scale}[/tex]
The scales can be:
Reduction scale: used when the size of the object is larger than the size of the sheet of paper. Magnification scale: used to represent small objects. Natural scale: it is used to represent objects with a drawing the same size as reality.In this case, you know that:
Scale= 1:25Drawing= 3 inchesReality= ?Replacing in the definition of scale:
1:25= 3 inches: reality
or
[tex]\frac{1}{25} =\frac{3 inches}{reality}[/tex]
Solving:
reality= 3 inches× 25
reality= 75 inches
In summary, the length of the actual bed of the student is 75 inches.
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10. The
system Includes the brain.
endocrine
nervous
circulatory
Answers
Answer:
nervous
Explanation:
The human brain is the central organ of the human nervous system, and with the spinal cord makes up the central nervous system.
Answer:
B. nervous
Explanation:
help plzzzzzzzzzz. could a genetically engineered organism hybridize with a wild animal or plant? why or why not?
Answers
Which of the following is a non renewable resource?
A.hydropower
B.Solar
C.Petroleum
D.Biomass
Answers
Answer:petroleum
Explanation: Others can be renewed
How does a DNA molecule determine which proteins are produced by a cell?
Answers
Answer: The order of nitrogen bases along a gene forms a genetic code that specifies what type of protein will be produced.
Explanation: