Carbon dating is an example of a practical application of proving or disproving theories.
Carbon dating :Carbon dating is now used to date almost everything that is over 100 years old. It is accepted as fact and used as evidence to learn about the world and past civilizations. Carbon dating, on the other hand, is at best a good theory, and that is all it is. Many people overlook the definition of a theory.
What is carbon dating based on?The basic premise of radiocarbon dating is straightforward: all living things absorb carbon from their surroundings, including a small amount of naturally radioactive carbon-14. When a plant or animal dies, it no longer absorbs, but the radioactive carbon it has accumulated continues to decay.
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2. What source of energy do organisms use if they don't use the sun's energy?
Answer:
Most likely, the answer is "Other organisms"
Explanation:
For example, we use animals or plants to gain energy (eating)
A plant is an organism that does what
Answer:
A plant is an organism that does the beautiful process of photosynthesis and gives out oxygen as a by-product of the reaction, which helps to breathe and be alive.
Explanation:
Bats and humans are both mammals and share a common ancestor. Because of this, a human arm and a bat wing have similar bone structure. In contrast, bird wings and bat wings have different structures. Explain these relationships in terms of homologous and analogous structures.
Answer:
A great example of homologous structures are the wings of a bat and the arms of a human. Bats and humans are both mammals, so they share a common ancestry. Both a bat's wing and a human's arm share a similar internal bone structure, even though they look very different externally.
Answer:
Bats and humans are both mammals, so they share a common ancestry.
Both a bat’s wing and a human’s arm share a similar internal bone structure, even though they look very different externally. They arean exampleof homologous structeres. Bat wings and bird wings are Anagolous beacuse they look and work similarly but are NOT related.
Explanation:
Homologous structures are structures that may look or function differently from related organisms.
Analogous structures are structures that look and function similarly from unrelated organisms.
Why did the Rocky Planets form closer to the Sun than the Gas Giants?
Answer: High Temperatures from the sun
Explanation:
Due to the high temperatures radiating from the sun, only materials that had high melting points could survive around it as opposed to those with low melting points that became vaporized into gas. These materials with higher temperatures were then pulled by the gravity of the sun and kept colliding till they formed the inner planets closest to the sun being Mercury, Venus, Earth and Mars.
The other materials that were with low melting points which became gas spread to the outer part of the solar system and as they became ice, they came together and formed cores with gravities that pulled other gases till they formed the gas giants as we know them today.
Which of these BEST describes the structural difference between the DNA of bacteria and the DNA of humans?
Group of answer choices
1.Bacteria do not have DNA so there is nothing to compare.
2.All DNA is made of the same components so there would be no difference.
3.Bacteria DNA contains 3 nitrogenous bases, while the human DNA contains 4.
4.Human DNA is much more complex in structure.
Two patients are in a hospital. One has retrograde amnesia and the other has anterograde amnesia. Explain one similarity and one difference between the two types of amnesias. Then predict how these two patients will interact with each other.
(i already know what each amnesia means i just mostly need the 'predict how these two patients will interact with each other' because its confusing to me)
Answer:
One similarity between retrograde and anterograde amnesia is that they both involve memory impairment. Retrograde amnesia is the inability to recall memories that occurred before the onset of amnesia, while anterograde amnesia is the inability to form new memories after the onset of amnesia.
One difference between the two types of amnesia is the direction of the memory impairment. Retrograde amnesia affects memories that were already stored before the onset of amnesia, while anterograde amnesia affects the formation of new memories after the onset of amnesia.
Given their different types of amnesia, it's unlikely that the two patients will be able to fully understand each other's memory difficulties. The patient with retrograde amnesia may have difficulty remembering events from their past, while the patient with anterograde amnesia may struggle to form new memories. Depending on the severity of their amnesia, the patients may have trouble communicating with each other and forming new memories together. However, their interactions may still be meaningful and they may form a bond based on their shared experiences of memory impairment.
1 What does the codon sequence on the mRNA strand determine?
A The gene sequence of the DNA
B The amino acid sequence of the polypeptide
C The codon that is signaled
D The signaling sequence
2 What portion of the DNA is also known as a gene?
A The coding sections
B The non-coding sections
C The mRNA strand
D The polypeptide sequence
1. The correct answer is B.
2. The correct answer is A.
The codon sequence on the mRNA strand determines the amino acid sequence of the polypeptide.
The coding section is the portion of the DNA that is also known as a gene. Genes are the functional units of DNA that provide the instructions for making proteins. They are composed of coding cells, also known as exons, that contain the information needed to build the polypeptide, and non-coding sections, also known as introns, that do not.
The codon sequence on the mRNA strand is translated by the ribosome during protein synthesis. Each codon, which is a sequence of three nucleotides, corresponds to a specific amino acid. The ribosome reads the codon sequence on the mRNA strand and adds the corresponding amino acids to the growing polypeptide chain. This process is called translation.
In DNA, genetic information is encoded in the sequence of nucleotides, which are the building blocks of DNA. Genes are specific segments of DNA that contain the instructions for making a specific protein. These instructions are encoded in the sequence of nucleotides within the coding sections of the DNA, also known as exons. The non-coding sections, also known as introns, do not contain instructions for making proteins, but they play important roles in the regulation of gene expression.
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18
In the second stanza, what does the speaker call "Mines of gold"?
A.nectar from the flowers
B.colors of the flowers
C.height of the flowers
D.smell of the flowers
The correct answer is B.
In the second stanza, the speaker calls "Mines of gold" to the colors of the flowers.
The second stanza in the poem 'To the Cuckoo' by William Wordsworth talks about the beauty of flowers and the way they provide nourishment and food to the bees. "The "Mines of precious stones" refer to the beauty of the flowers and how they contain nectar, which is like gold to the bees as it provides nourishment to them. Therefore, the speaker calls "Mines of gold" to the colors of the flowers.For such more questions on flowers
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1. Which of the following is not evidence of an earthquake?
Cracks in the sidewalk
Bumps in the road
Rumbles and shakes
Precipitation
Answer:
precipitation would be the answer
Which statement best describes the role of the Cabinet?
Answer:
Along with the Prime Minister, Cabinet ministers form the main decision-making group within executive government—the Cabinet. A Cabinet minister's role includes: directing government policy and making decisions about national issues. ... presenting bills—proposed laws—from their government departments.
Explanation:
I hope this answer help you
Answer:
a trusted group that advises and assists the president
Explanation:
Tell if each is a chemical or physical property.
Iron is malleable, it can be hammered into a sheet. ✔physical
copper is an excellent conductor of heat and electricity
✔physical
nitrogen has a low density, it is a gas at room temperature
✔physical
when enough heat is applied, wood will react with oxygen
✔chemical
sodium readily gives up its one valence electron
✔chemical
Answer:
all your answers are correct
Explanation: I took the test
How do you define professionalism
Answer:
The conduct ,aims or qualities that characterize or mark a profession or a professional person is known as professionalism.
Explanation:
Hope it helps.
What is one process that moves carbon from the atmosphere into a biotic component of theecosystem?
ANSWER: Photosynthesis
Explanation: Plants take in carbon dioxide and convert it to sugar through photosynthesis. The sugar product can be used by the plant or can be consumed by another organism by eating the plant.
What is known about colony
collapse disorder?
O A. Mites are the sole cause of colony collapse disorder.
O B. Invasive species are implicated in colony collapse disorder.
O C. The factors responsible for colony collapse disorder are well known.
O D. Several factors are likely
contributing to colony collapse
disorder.
Answer:
O A. Mites are the sole cause of colony collapse disorder.
Match the correct definition to the correct term.
Question 1 options:
4
hypothesis
theory
matter
energy
kilogram
SI system
universal law
physical science
model
1.
the branch of study that includes physics and chemistry
2.
takes up space and has mass
3.
the capacity or ability to do work
4.
testable guess that can be expressed as an "if-then" statement
5.
a scientific explanation that has been repeatedly confirmed
6.
a principle that is in effect always and everywhere
7.
an artificial representation of a real system or process
8.
the standard units in scientific and technical pursuits
9.
the base unit for mass in the SI system
hypothesis- testable guess that can be expressed as an "if-then" statement theory - a scientific explanation that has been repeatedly confirmed matter-takes up space and has mass energy-the capacity or ability to do work
kilogram-the standard units in scientific and technical pursuits SI system -the base unit for mass in the SI system. universal law-a principle that is in effect always and everywhere.
physical science-the branch of study that includes physics and chemistry model-an artificial representation of a real system or process
What is Theory ?A principle formed to explain things, certain phenomena, or fact which was validated previously known as Theory.
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Describe evidence if any that aerobic respiration took place ten the bottle
Answer:
Explanation:
To determine if aerobic respiration has taken place in the bottle, several tests can be done to detect the presence of certain products and byproducts of the process. Here are some possible pieces of evidence that aerobic respiration has taken place in the bottle:
Carbon dioxide production: Aerobic respiration produces carbon dioxide as a byproduct, so if there is an increase in the concentration of carbon dioxide in the bottle, it can indicate that aerobic respiration has taken place.
Oxygen consumption: Aerobic respiration requires oxygen as a reactant, so if there is a decrease in the concentration of oxygen in the bottle, it can indicate that aerobic respiration has taken place.
State one substance that leaves the blood as it flows through the tissues of the small intestine.
Answer:
Superior mesenteric artery.
The primary source of energy for the body is a form of sugar called glucose. It travels to cells all throughout the body after being absorbed into circulation from the small intestine.
Other chemicals that enter the circulation through the small intestine include the following:
Proteins' building components are amino acids.
The lipids' building components are fatty acids.
minerals and vitamins
Water
In an adult, the small intestine is a muscular tube that is roughly 20 feet long. It is situated in the belly, above the large intestine, and below the stomach. The bulk of digestion and nutritional absorption from meals occurs in the small intestine.
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Which of the following does not yield wool ? (a) yak (b) camel (c) goat (d) woolly dog
Explanation:Why is option A (yak) not correct?
The Himalayan region is home to the yak, a type of cattle. They have a reputation for having long, shaggy hair, which is used to create many different textiles, including wool. Yak wool is popular because it is soft, warm, and long-lasting and is frequently used to manufacture clothes and blankets.
Why is option B (camel) not correct?Camels are widely known for their capacity to survive in difficult desert situations, and their wool is a valuable resource in many parts of the world. Clothing, rugs, and other textiles are frequently made from camel wool because it is cosy and soft.
Why is option C (goat) not correct?Goats are another typical source of wool, especially in warmer locations where other types of wool are less common. Depending on the breed of goat and the quality of the wool, the term "mohair" or "cashmere" is frequently used to describe the wool from goats. Cashmere is appreciated for its warmth and luxurious feel, while mohair is renowned for its softness, sheen, and insulating qualities.
Why is Option D (woolly dog) correct?Despite the fact that there are numerous dog breeds with long, shaggy hair, none of them actually produce true wool. Dog hair is not often used to produce textiles since it is formed of a different kind of fibre than wool. Although some dog hair can be spun into yarn and used for crafts, it is not regarded as a true wool and is not widely utilised for the manufacturing of textiles.
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fresheater biome major attraction
What do you mean?
If you don't specify, then people who want to answer your question won't know what to do.
Categorize the structures as homologous or analogous.
Answer:
Homologous structures refer to structures that have the same origin but differ in form or function, while analogous structures are those that are similar in form or function but developed independently.
Homologous structures refer to structures that have the same origin but differ in form or function, while analogous structures are those that are similar in form or function but developed independently.
Organs or skeletal components of animals and organisms that, by virtue of their similarity, suggest a connection to a common ancestor are known as homologous structures. These structures need not all look the same or serve the same purpose.
The forelimbs of vertebrates are a common illustration of homologous structures. The forelimbs of four-legged vertebrates like dogs and crocodiles, the arms of primates, the front flippers of whales.
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What is produced besides a polymer during dehydration synthesis?
Answer:
They are an important type of chemical reaction for living organisms since they produce many important biological polymers like proteins and polysaccharides.
Explanation:
10 POINS IM SUPOSED TO TURN THIS IN TODAY!!!
THIS IS THE ONLY ONE I NEED HELP ON PLZ HELP ME!!!
Answer:
glucose <disaccharides <starch<protein
Hope this helps!!
Do give me brainliest if it does!
what is the life cycle for a goldfish?
Answer:
The life cycle of a goldfish starts out as an egg. The female fish will lay about 25 eggs, but unfortunately only some grow up. The eggs usually hatch within 5 days and if you have a fish tank then you should take the adult fish out or else it may eat the eggs. After the egg hatches, it turns into a fry,(this is what a baby goldfish is called) Once they hatch, they will stay attached to the plants for two days, after that, you should start to feed them. Once they are not fry anymore, they turn into adult goldfish. If you take care of them properly, they could last up to 15 years! Once the fish are complete adults, they can lay eggs. The females rub up against plants and lays eggs while the male Goldfish sprays the eggs to make them fertilize and turn into fry.
This graph shows the effects of an enzyme on a particular reaction. The red line on the graph shows the reaction without the enzyme while the blue line shows how the reaction progresses with the enzyme. 2. According to the graph, the enzyme Choose... affect the initial energy of the reactants. The enzyme Choose. the activation energy. The overall energy released Choose... Check Answer
It is safe to infer from the graph depicting how the enzyme effected the reaction that the enzyme had an impact on the reactants' activation energy.
Define enzyme.When compared to the reaction with the enzyme indicated by the blue line, the reaction without the enzyme shown by the red line revealed that the reactants had a larger activation energy.
Enzymes actually work by reducing the activation energy, also known as the energy needed to be overcome by reactants in order to become products.
Define activation energy.The smallest additional amount of energy that a reactive molecule needs in order to transform into a product is known as activation energy. The minimal amount of energy required to activate or energies molecules or atoms so that they can engage in a chemical reaction or transformation is another way to put it.
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Write the number of offspring plants with each phenotype in the Offspring Phenotype columns. Also, make sure you have run enough trials that you can both determine the genotype of each parent plant and produce yellow and white-flowered plants.
Summarize your work on the next page.
Which condition causes transpiration to INCREASE?
lower humidity
no air movement
colder temperatures
high soll moisture
High soil moisture causes transpiration to increase by increasing the water potential of the plant, increasing the relative humidity of the atmosphere, and increasing the turgor pressure of the plant cells. Here high soil moisture is the correct answer.
Transpiration is the loss of water vapour from the surfaces of a plant or a leaf. A condition that causes transpiration to increase is high soil moisture. Plants get water from the soil through their roots. High soil moisture increases the water content of the soil and the water potential of the plant. The water potential of the plant is the measure of the pressure required to extract water from the plant. High soil moisture reduces the water potential gradient between the soil and the plant.
The high soil moisture creates a favourable condition for transpiration because it increases the relative humidity of the atmosphere around the plant. Transpiration occurs because the air surrounding the leaf is drier than the air inside the leaf. When the relative humidity of the atmosphere is high, the rate of transpiration increases.
The high soil moisture also increases the turgor pressure of the plant cells. Turgor pressure is the pressure that water exerts on the cell wall of the plant. The turgor pressure is what keeps the plant cells rigid. When the turgor pressure is high, the rate of transpiration increases. Therefore high soil moisture is the correct answer.
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based on the fossil evidence the correct sequence in which life evolves in PLEASSE HELPPP THIS IS A BIG GRADE
Answer: Fossil evidence that shows the correct sequence in which life evolves is B i think im not sure but im pretty sure its B
• AA or Aa the genotype of purple flower and aa for white flower. At the
second locus, the B allele (tall) is dominant to the b allele (short). What
would be the result of a cross between two Purple and tall plants, genotype
AaBb?
The cross would result in a combination of progeny with various height and flower colour genotypes and phenotypes.
Provide an illustration of what a dihybrid cross is.It is a cross that combines two sets of characters' opposing qualities. For instance, when plants with only yellow-round seeds are crossed with plants with wrinkled green seeds (both homozygous), only plants with yellow-round seeds are visible in the F1 generation. But, in the F2 generation, four other sorts of pairings are detected.
What are mono- and di-hybrid crosses?The F1 generation offspring of parents that only differ in one attribute are referred to as monohybrid crosses. A dihybrid cross occurs when two F1 generation children with different characteristics are crossed.
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What are a few things that humans can change about the way we use land to reduce deforestation?
Solution:
Tree sowing.
Recycle paper.
Buy recycled products and then recycle them again.
Support companies with responsible logging (selective logging or sustainable logging)
Support the products of companies committed to reducing deforestation.
Stop illegal deforestation and therefore reduce forest degradation.
Reduce the carbon footprint to combat climate change.
Create employment opportunities and services so that illegal deforestation jobs are not attractive.
Generate income at the local and national levels, which can be invested in forest conservation and better social and health services.
Avoid excessive consumerism.
Reduce the consumption of palm oil-based products.
A mother should do all of the following EXCEPT:
A. avoid gaining over 35 pounds
B. avoid alcohol
C. avoid smoking
D. increase calorie intake by 500 calorie to support the unborn fetus
Answer:
D. increase calorie intake by 500 calorie to support the unborn fetus
Explanation:
The first 3 a mother MUST avoid, or it could harm the fetus.
Hope this helps :)
One thing that a prospective mother should not do is to D. increase calorie intake by 500 calories to support the unborn fetus.
What should a pregnant woman do?In order to protect the fetus, a mother should avoid alcohol and smoking as well as gaining weight over 35 pounds.
To avoid gaining this weight, the mother should not increase her calorie intake by 500 or more calories as this might cause complications.
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