Question 3

Which type of carbon is used in carbon dating?

C-14

C-13

C-12

C-11

Answers

Answer 1

Answer:

C-14

Explanation:

c-14 is used to identify spedciamen's age





Related Questions

What is kyphosis caused by?​

Answers

¿What is kyphosis caused by?

Spinal cause: It is the one that produces kyphosis in adults because it is caused by a vertebral fracture due to osteoporosis.

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¿What is kyphosis caused by?

Kyphosis is one that has exaggerated forward curvature of the upper back. This usually notices the weakness of the bones of the spine, which causes them to fracture and compromise.

In most cases, kyphosis stops progressing when the teen stops growing.

Translation:

La cifosis es aquella que tiene curvatura exagerada hacia adelante de la parte superior de la espalda. Esta suele darse a la debilidad de los huesos de la columna vertebral, que hace que se fracturen y compriman.

En la mayoría de los casos, la cifosis deja de avanzar cuando el adolescente deja de crecer.

What is meant by wildlife? How is wildlife important for us?​

Answers

Answer:

Animals that grow or live in the wild without any human interference are known as wildlife. Importance of wildlife is as follows: Wildlife helps keep the food chain in place and thereby maintain ecological stability.

Explanation:

The term "wildlife" refers to all living organisms that exist in their natural habitat, without any human interference. It includes animals, birds, plants, and other organisms that thrive in forests, oceans, deserts, and other natural environments.


Wildlife is important to us in several ways:
1. Biodiversity: Wildlife plays a crucial role in maintaining biodiversity. Each species contributes to the intricate web of life, and the loss of even one species can have a significant impact on the entire ecosystem. For example, bees play a vital role in pollination, which is essential for the reproduction of many plant species.

2. Environmental balance: Wildlife helps to maintain a balance in ecosystems. Predators, such as lions or wolves, help control the population of herbivores, preventing overgrazing and maintaining the health of vegetation. This balance ensures that resources are distributed appropriately and prevents the dominance of a single species.

3. Ecosystem services: Wildlife provides various ecosystem services that benefit humans. Forests, for instance, serve as a habitat for countless species, help regulate climate, filter air and water, and provide resources like timber and medicinal plants. Wetlands act as natural filters, purifying water and reducing the risk of floods.

4. Cultural and recreational value: Wildlife also holds significant cultural and recreational value. Many communities have strong cultural connections to specific wildlife species, and these species may play important roles in their traditions, rituals, and beliefs. Additionally, observing and interacting with wildlife through activities such as bird-watching or safaris can bring joy and a sense of connection to nature.

5. Scientific and educational purposes: Studying wildlife helps us gain knowledge about different species, their behavior, and their roles within ecosystems. This understanding is crucial for conservation efforts and managing natural resources sustainably. Wildlife education also fosters a sense of environmental awareness and encourages people to become responsible stewards of the planet.

Hence, wildlife encompasses the diverse range of organisms found in their natural habitats. Its importance lies in its contribution to biodiversity, environmental balance, ecosystem services, cultural value, recreational opportunities, and scientific knowledge. Preserving and protecting wildlife is essential for the well-being of both the natural world and human society.

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what gender tachycardia affects most?

Answers

Tachycardia Affects mostly females

Which of these is a characteristic of
living things?
A. cannot metabolize food
B. growth and development
C. unable to reproduce
D. cannot respond to the environment

Answers

Answer:

The answer is B.

Explanation:

Living things grow and develop. Living things can reproduce. Living things respond to an environment they are in. Living things metabolize food for energy. In response all the answer choices except B are wrong because they can be done.

Where in a cell does most ATP production take place?


A. Cell wall
B. Mitochondria
C. Lysosomes
D. Nucleus

Answer: B

Answers

Answer:

Mitochondria

Explanation:

Most of the oxidative metabolism and ATP production occurs in mitochondria.

what is true of levels of c02 in the atmosphere?

Answers

Answer:

412.5 Parts per million.

Explanation:

Based on preliminary analysis the global average atmospheric carbon dioxide in 2020 was 41 2.5 parts per million setting a new record high amount despite the economic slowdown.

What is the process where one strain of bacteria is changed by another strain? A. Transformation B. Evolution C. Morphism D. Adaptation​

Answers

Answer:

A. Transformation

Explanation:

In transformation, a bacterium takes up a piece of DNA floating in its environment. In transduction, DNA is accidentally moved from one bacterium to another by a virus. In conjugation, DNA is transferred between bacteria through a tube between cells.

Both the brain and the spinal cord are protected by
A. The Skull
B. a thick, paste like substance
C. The vertebral column
D. a watery fluid​

Answers

I believe that would be B.
Correct me if wrong.

What happens to ADP after ATP hydrolysis?

Answers

Answer:

ADP is combined with a phosphate to form ATP in tADP+Pi+free energy→ATP+H2O

Explanation:

The energy released from the hydrolysis of ATP into ADP is used to perform cellular work, usually by coupling the exergonic reaction of ATP hydrolysis with endergonic reactions.

How do scientists test theories

Answers

Answer:

using data, preferably multiple types of data from multiple sources.

Explanation:

hope this helps

Scientist tests theories by performing tests to see if the theory works, they also perform data, and along other things.

What do mitochondrial and thylakoid membranes have in common?
O A. They are both involved in cellular respiration in animal cells.
O B. They both contain chloroplasts and chlorophyll.
O C. They are both places where ATP is produced.
O D. They are both the sites of glycolysis.

Answers

C) they are both places where ATP is produced.

Animal cells don’t have thylakoids.
Animal cells do not contain chloroplasts or chlorophyll.
Glycolysis occurs in the cytoplasm.

the Brain consists of __ neurons
A. 1 Billion
B. 100 Billion
C. 100 Million
D. 10 Million​

Answers

Answer:

1 billion

i guess is answer

Answer:

b. 100 billion

Explanation:

What is the law of conservation of energy?

Answers

Answer:

energy can neither be created nor destroyed.

Explanation:

energy can neither be created nor destroyed. only converted from one form of energy to another.

name the bacteria found in the root nodules of leguminuos plant​

Answers

Answer:

Rhizobium is a genus of bacteria associated with the formation of root nodules on plants. These bacteria live in symbiosis with legumes.

Explanation:

How does photosynthesis contribute to the organism’s energy needs

Answers

Answer:

Through photosynthesis, certain organisms convert solar energy (sunlight) into chemical energy, which is then used to build carbohydrate molecules. The energy used to hold these molecules together is released when an organism breaks down food. Cells then use this energy to perform work, such as cellular respiration.

Explanation:

10. The formation of product in a reaction is based on

Answers

The type of reactant, temperature,catalyst used.

Which animal trait was Darwin’s theory of natural selection based on?

Answers

Coloration, Darwin theorized dominant colors in animals would continue to help ensure survival. For example a white tail deer normally blends in with the trees and bushes they live in, but if they were white they would stand out and be easier to hunt, causing them to die off

Camouflage or coloration is an animal trait that is based on Darwin's theory of natural selection.

What do you mean by Natural selection?

Natural selection may be defined as the process through which populations of living organisms adapt and change. Natural selection leads to favorable variations among the organisms.

Coloration is the general appearance of an organism as determined by the quality and quantity of light that is reflected or emitted from its surfaces. These are determined by some dominant traits in organisms.

Therefore, Camouflage or coloration is an animal trait that is based on Darwin's theory of natural selection.

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During meiosis, crossing-over may occur. What is usually the result of crossing-over?
A- the development of identical offspring
B- variation within the species
C- overproduction of gametes
D- fertilization and development

Answers

C



Overproduction of gametes

what is anemia, why do people with sickle cell anemia have anemia?

Answers

Answer:

que es la anemia

Insuficiencia de glóbulos rojos saludables debido a la falta de hierro en el cuerpo.

por que las personas con anemia de celulas falciformes tienen anemia

La anemia de células falciformes es causada por una mutación en el gen que le dice a tu cuerpo que produzca el compuesto rico en hierro que hace que la sangre sea roja y permite que los glóbulos rojos transporten el oxígeno de los pulmones a todo el cuerpo

Explanation:

Answer:

sickle cells typically die in 10 to 20 days,l leaving a shortage of red blood cells

Explanation:

the lack of red blood cells can make a animal have anemia

how would you go about a driver who is driving recklessly on the free way or any road you encounter

Answers

Answer:

Drive from as far away from them as possible. Attempt to speed past them.Or, call the police.

How has our throw away consumer lifestyle affected the environment?

Answers

Answer:

human impact the physical environment in many ways.over population ,pollution ,burning fossil fuel etc.changes like these have triggered climate change,soil erosion,flood ,landslides etc...

How do the structures of organims body be used as evidence of evolution?​

Answers

Homologous structures suggest that comparable selected pressures can produce similar adaptations, whereas analogous structures show that similar selective pressures can cause similar adaptations (beneficial features).
Similarities and differences among biological molecules (for example, in the DNA sequence of genes) can be utilized to assess the relatedness of species.

I hope this helps you
:)

The Brain Stem ___.

A. regulates breathing and heart rate
B. helps with movement and balance
C. resides between the cerebrum and cerebellum
D. is the second largest brain part​

Answers

Answer: Your best answer is A. regulates breathing and heart rate

Hope this helps!

The main regions of the brain are the
A. Spinal Cord, Brain Stem and cerebrum
B. Cerebellum, Spinal Cord and Brain Stem
C. Cerebrum, Cerebellum, and Spinal Cord
D. Cerebrum, Cerebellum, and Brain Stem​

Answers

The brain is composed of the cerebrum, cerebellum, and brainstem. (D)

Which of the following agricultural practices can cause ecosystem disruption?

Tiling soil
Storing crops
Slash-and-burn
Drip irrigation

Answers

Answer:

C.) Slash-and-burn

Explanation:

took the exam and got it right

Which feature is common to both living cells and viruses?
A. capsid
B. cytoplasm
C. nucleic acid
D. ribosome

Answers

it's c. nucleic acid.

Answer:

c

Explanation:

Which type of electricity-generating power plant releases radioactive materials as well as toxic metals such as lead and arsenic under normal operating conditions?.

Answers

We can confirm that coal-burning power plants release radioactive materials as well as toxic metals such as lead and arsenic under normal operating conditions.

What are coal-powered plants?

These are power plants that rely exclusively on the burning of coal to generate electricity. These plants have been shown to release heavy metals such as lead and arsenic found in coal as well as minor traces of naturally occurring radioactive materials and minerals.

Therefore, we can confirm that coal-burning power plants release radioactive materials as well as toxic metals such as lead and arsenic under normal operating conditions.

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Instructions:
Place a T beside those statements you think are true and an F beside those statements you think are false.

Anticipation Statements:
Global warming can be stopped if we stop air pollution today.

The greenhouse effect is a new phenomenon causing global warming.

The health of our climate depends on ocean and air circulation.

The seasonal melting and freezing of sea ice disrupt climate patterns.

Ozone in the stratosphere needs to be removed from the atmosphere.

Answers

Answer:

1. T

2. F

3.T

4. F

5. F

Explanation:

trust me these are the right answer

Global warming can be stopped if we stop air pollution today. The given statement is true.

The greenhouse effect is a new phenomenon causing global warming. The given statement is false.

The health of our climate depends on ocean and air circulation. Thus, the given statement is true.

The seasonal melting and freezing of sea ice disrupt climate patterns. Thus, the given statement is false.

Ozone in the stratosphere needs to be removed from the atmosphere. Thus, the given statement is false.

What is global warming?

The term global warming has defined as the heating of globe due to excess air pollution and other factors. There are main two reasons and effects of Global warming on Global Climate are such as Global warming has been caused by two reasons man-made and natural reason well it is man-made reasons which cause much Global warming, for example, Burning fossil fuels and gases like Carbon dioxide cause Global Warming.

Global warming would be having a huge impact on our planet's climate today. the slowly increase of earth's temperature causing serious problems such as floods, temperature rise and sea-level rise.

Therefore, Global warming can be stopped if we stop air pollution today. The given statement is true.

The greenhouse effect is a new phenomenon causing global warming. The given statement is false.

The health of our climate depends on ocean and air circulation. Thus, the given statement is true.

The seasonal melting and freezing of sea ice disrupt climate patterns. Thus, the given statement is false.

Ozone in the stratosphere needs to be removed from the atmosphere. Thus, the given statement is false.

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Minor external bleeding can be controlled by direct pressure and placing a sterile dressing over the wound
O True
O False

Answers

Answer:

true

Explanation:

true maintaining pressure over a wound can control bleeding and a serile dressing is used to minimize bacteria and infection :)


Delphinus capensis and Delphinus delphis are classified in the same
a. kingdom, phylum, genus and species
b. kingdom, phylum, and genus
c. phylum, genus, and species
d. genus and species

Answers

Answer:

d. genus and species

Explanation:

The "Delphinus" in both names are the same, also classified by the system called binomial nomenclature. the first term indicates the genus, and the second term indicates the species. capensis and delphis are the species

Answer:D genus and species

Explanation:

ii I

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