Limestone is a sedimentary rock. True False

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Answer 1

Answer: Yes Limestone is a sedimentary rock. :)

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What are the functions of pharynx

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There are basically 3 types of pharynx- nasopharynx, oropharynx and laryngopharynx.
The function of the pharynx are:-
1. To transport the food from mouth to esophagus.
2. To warm, moisten and filter the air, before it moves to the trachea, and then to the bronchi, the bronchioles, the alveoli and at last to the lungs.
Therefore, pharynx(or throat) is a part of both- digestive and respiratory systems.
3. It is also important for vocalization.

The pharynx acts as a passageway for food on its way to the stomach and for air en route to the lungs.
The pharynx is the part of the alimentary canal immediately behind the mouth.PharynxThe pharynx, or throat, is the passageway leading from the mouth and nose to the esophagus and larynx. The pharynx permits the passage of swallowed solids and liquids into the esophagus, or gullet, and conducts air to and from the trachea, or windpipe, during respiration. The pharynx also connects on either side with the cavity of the middle ear by way of the Eustachian tube and provides for equalization of air pressure on the eardrum membrane, which separates the cavity of the middle ear from the external ear canal. The pharynx has roughly the form of a flattened funnel. It is attached to the surrounding structures but is loose enough to permit gliding of the pharyngeal wall against them in the movements of swallowing. The principal muscles of the pharynx, involved in the mechanics of swallowing, are the three pharyngeal constrictors, which overlap each other slightly and form the primary musculature of the side and rear pharyngeal walls.

Both coral reefs and wetlands have been destroyed by

Answers

Answer:

human activity

Explanation:

The wetlands and the coral reefs have gradually been destroyed by the humans and their activity. The wetlands were the first to be under the human influence and getting destroyed, while the coral reefs have come to have similar destiny in the last century. The reasons for the destruction are different. The wetlands have in general been destroyed on purpose, be it because they were epicenter of diseases, for making more land for agriculture, or making more land for settlements. The coral reefs have not been destroyed on purpose, but the human activity has resulted in lot of pollution of the ocean waters, as well as changes in the climate, and the fragile corals can not adapt quickly enough to these changes, so they die out quickly.

What is niche diversity?

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Niche diversity refers to the evolutionary process in which species diverge in order to take advantage of open niches in their environment. This can also be seen in species that are somehow threaded from a common ancestor they share.Hope this helps:)

What was the significance of collisions of dust, rock, and ice during Earth’s formation? to modify the density of materials present on Earth to facilitate heat absorption from the surrounding space to blow away a strong burst of particles from the first atmosphere to harden materials to form different parts of Earth’s layers

Answers

The significance of collisions of dust, rock, and ice during Earth’s formation was to modify the density of materials present on Earth.

What is Density?

This can be defined as the mass per unit volume of a substance or body.

Density = mass/volume

The collision of dust, rock, and ice modified the density of materials occurred during Earth’s formation.

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Answer: A: to modify the density of materials present on Earth

Explanation: good Bye :)

What do vaccines contain?

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Vaccines contain dead bacteria to get ready to fight the real bacteria/virus. Imagine like that every time you take a vaccine the body makes a blueprint of it. Then, when the virus/bacteria comes, the body knows the bacteria/virus because they made a blueprint. Now, the flu vaccine is different because they change very much. They change every year, so that is why you take flu vaccines yearly.

Vaccines contain several key components, these components include antigens, adjuvants, stabilizers, and preservatives.

Antigens are substances in vaccines that resemble parts of disease-causing pathogens, such as viruses or bacteria.

They stimulate the immune system to recognize and respond to these specific pathogens.
Antigens in vaccines can be weakened or inactivated forms of the pathogen, proteins, polysaccharides, or genetically engineered components.

Adjuvants are added to some vaccines to enhance the immune response.

They help to improve the recognition of the antigen by the immune system, leading to a stronger and longer-lasting immune response.
Common adjuvants include aluminum salts, oil-in-water emulsions, or other compounds.

Stabilizers are included in vaccines to maintain their effectiveness during storage and transportation.

They help preserve the integrity and potency of the vaccine over time.
Stabilizers can include sugars, proteins, or gelatin, which help protect the vaccine from damage or degradation.

Preservatives are used in some vaccines to prevent bacterial or fungal contamination.

They help maintain the sterility of the vaccine and ensure its safety.
Thimerosal, a compound containing mercury, has been used as a preservative in some vaccines.

Thus, antigens, adjuvants, stabilizers, and preservatives are a few of the essential components found in vaccines.

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What sort of evidence can you use to show that all living things grow and develop

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a common human, they go from an embryo then develop into an infant then grow to a teen. once a teen they might go through changes...
a plant is also evidence, they develope from a seed to a small bud and grow to a small plant.

Final answer:

All living things grow and develop as they progress through their life cycle. Evidence includes measuring physical changes, observing physical appearance, monitoring behavioral changes, and studying gene expression.

Explanation:

All living things grow and develop as they progress through their life cycle. This can be observed through physical changes and increased complexity in structure and function as organisms mature. For example, a seedling grows into a fully grown plant, a tadpole develops into a frog, and a fertilized egg grows into a baby and eventually an adult.

Evidence to show growth and development in living things includes:

Measuring the height, weight, or length of a growing organism at different stages of its life.
Observing and documenting changes in physical appearance, such as the emergence of new body parts or increased complexity in structure.
Monitoring and recording behavioral changes, like improved motor skills, increased coordination, or the ability to perform more complex tasks.

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