what is the key difference between arrhythmias that originate in the atria or av node as compared to those that originate in the ventricle

Answer:

I think its C

Explanation:

Hemoglobin saturation of the fire fighter will be roughly one oxygen per hemoglobin, necessitating the use of an external air tank.

Including heavy metals, aldehydes, hydrogen chloride, dichlorofluoromethane, and certain particles, fire fighters are routinely exposed to high concentrations of dangerous substances. The activation of numerous diseases has been linked to many of these elements in fire fighters. The current study aims to investigate how exposure to fire smoke affects serum levels of heavy metals and potential effects on iron functions compounds, total iron binding capacity, transferrin saturation percentage, ferritin, unsaturated iron-binding capacity blood hemoglobin, and carboxy hemoglobin.

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The normal number of chromosomes in yellow pine tree is 24. And in pollen from the yellow pine only has 12 chromosomes. It is due to Meiosis cell division.

Meiosis is a type of cell division that results in the production of four gamete cells and a halving of the parent cell's chromosome count.

We know that in meiosis cell division the daughter cell chromosomes number becomes half from the parent cell chromosome number. And here The normal number of chromosomes in a yellow pine tree is 24, which is compares with 2n. And the pollen should be singlet. That's why its chromosome number should be n. Which implies the chromosome number of the pollen should be 12.

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Answer:

I believe it is c. both parents carried the trait

Explanation:

I think its this because when youre using the square method and end up with a recessive trait that means both parents had to have carried that trait.

Answer:

a.c current

Explanation:

alternating current continously changes its direction when flowing in a circuit . a.c current is used in transformer and a.c generator

Epithelial tissue lines the organs of the body, including the lungs, heart, and stomach.

Epithelium, endothelium, and mesothelium are three types of epithelial cell sheets that line your internal organs, and body space and form the outer layer of your skin. Epithelium generally lines alleyways that are open to the external environment, such as your respiratory area and digestive system.

Glandular epithelial tissue is also established as part of the glands, including hormone-manufacture organs like the liver, pancreas, and spleen. Epithelial tissues are widespread all around the body. They form the covering of all body surfaces.

So we can conclude that Simple epithelial tissues are normally classified by the shape of their cells.

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Answer:

That probably refers to asteroids.

Explanation:

There is a large belt of asteroids between the orbits of Mars and Jupiter.

Answer:

Explanation+ Vị trí: Nằm trước sụn giáp của thanh quản, nặng khoảng 20-25g

- Cấu tạo: Ở ngoài là các tế bào tiết, bên trong là nang tuyến. tiết ra hoocmôn là Tirôxin trong thành phần có I ốt

+ Vai trò: Hoocmon  tiroxin ( TH) có vai trò quan trọng trong quá trình  trao đổi chất và chuyển hoá vật chất và năng lượng  trong tế bào.

- Tuyến giáp còn tiết ra hoocmôn Canxitônin cùng với hoocmôn của tuyến cận giáp tham gia điều hòa canxi và phốtpho trong máu.

* Ý nghĩa của cuộc vận động toàn dân dùng muối iôt:

Khi thiếu muối iốt trong khẩu phần ăn hàng ngày, tuyến giáp hoạt động yếu, hoocmôn  tirôxin không tiết ra, tuyến yên sẽ tiết nhiều hoocmôn TSH  thúc đẩy tuyến giáp tăng cường hoạt động gây phì đại tuyến làm thành bướu cổ. trẻ em bị bệnh sẽ chậm lớn, trí não kém phát triển ; người lớn hoạt động thần kinh giảm sút, trí nhớ kém.

:

Answer:

D

Explanation:

The answer is defensive mutualism

Answer:

defensive mutualism

Explanation:

took the quiz, got it right.

The first storyboard shows a barren landscape. The second storyboard shows much larger plants and animals can be seen. The third storyboard shows the plants and animals are no longer visible. The fourth storyboard shows sedimentary rock is covered with layers of rock.

Storyboard 1: The first storyboard shows a barren landscape. There is a layer of sedimentary rock covering the ground. In the distance, small plants and animals can be seen.

Caption: Millions of years ago, Earth was a barren landscape, with sedimentary rock covering much of the ground. Small plants and animals could be seen in the distance.

Storyboard 2: The second storyboard shows the same landscape, but now, much larger plants and animals can be seen. The sedimentary rock is still present.

Caption: Over time, the plants and animals got larger and more diverse, while the sedimentary rock remained.

Storyboard 3: The third storyboard shows the same landscape, but now, the plants and animals are no longer visible. Instead, large amounts of dead plants and animals can be seen. The sedimentary rock is still present.

Caption: Eventually, the plants and animals died, leaving large amounts of dead plant and animal matter behind. The sedimentary rock still remained.

Storyboard 4: The fourth storyboard shows the same landscape, but now, the sedimentary rock is covered with layers of rock.

Caption: Over time, more layers of rock buried the sedimentary rock and the dead plants and animals.

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Answer: high mass and high height

Explanation:

The gravitational potential energy is refered as the potential energy that has to do with the energy in a particular object due to the height of that object.

With the above explanation, when objects that have different masses are suspended from a height, the one that will have the greatest gravitational potential energy will be the one with a high mass and high height.

Therefore, the correct option is A.

Answer:

YES, a potato grows into a plant that will eventually produce another potato.

Explanation:

The potato is a special type of stalk that grows underground. On its surface are precious stones called "eyes". Any part of a potato with an eye or a bud can grow into a new plant.

The potato eyes will sprout and grow into a new plant. Potatoes germinate quickly (in 2 weeks) at room temperature (21 degrees Celsius). These shoots become longer and eventually grow into the stems of potato plants later in the growing season. The shoots (which grow from the tuber's eyes) eventually grow out of the ground and become the stem of the new potato plant.

Of course, some store-bought potatoes are treated with a sprouting agent called chloroproham. This chemical will slow or prevent bulb germination and the resulting plants may not grow as vigorously.

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Answer:

Charles Darwin

Explanation:

Answer:

Charles Darwin is the answer

An organelle is option A- a part of a cell that has a special function, much like an organ in a multicellular organism.

Organelles are membrane-bound structures that are found within the cytoplasm of eukaryotic cells. Examples of organelles include the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, peroxisomes, and chloroplasts.

Each organelle performs a specific function that is essential for the overall functioning of the cell. The concept of organelles is one of the defining features of eukaryotic cells and distinguishes them from prokaryotic cells, which lack membrane-bound.

In addition to the organelles mentioned earlier, there are several other types of organelles found in eukaryotic cells. For example:

Ribosomes: These are small, non-membrane-bound structures that are involved in protein synthesis. Ribosomes can be found in the cytoplasm or attached to the endoplasmic reticulum.

Cytoskeleton: This is a network of protein fibers that provides structure and support to the cell. The cytoskeleton is composed of three types of fibers: microfilaments, intermediate filaments, and microtubules.

Vacuoles: These are membrane-bound sacs that store materials such as water, nutrients, and waste products. Plant cells have large central vacuoles that help maintain turgor pressure and support the structure of the plant.

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Answer:

Two types of relationships between variables are direct and inverse variation. ... As one variable increases, the other also increases, and as one decreases, the other also decreases. In contrast, inverse variation suggests that variables change in opposite directions. As one increases, the other decreases and vice versa.

Explanation:

Answer:

People who like colder weather will live in colder areas, and vice versa

Explanation:

Answer:

You would have two poles ( north and south)

If I'm reading the question correctly, you would basically have 2 magnets.

Answer: (D) 360

Explanation:

An adult panda bear must eat at least 30 pounds of bamboo in a day. There are 12 adult pandas living in part of a bamboo forest 360 pounds must available each day.

Panda comes under the specialist because its eats only bamboo because it's present abundantly and Thus they don't have to fight with other animals to get it.

Bamboo is rich in fibre but has less nutrients, so pandas have to eat 20 to 40 pounds of the elements every day just to get by.

Thus, option "D" is correct, 360.

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Answer:63.2 inches, 160.5 cm, 5.26 feet

Answer: around 63 to 64 inches or 5 feet 4 inches

The pair of amino acids which can form an ionic-ionic (salt bridge) interaction is option c. aspartic acid and lysine.

An -amino acid involved in the production of proteins is aspartic acid. It has an amino group and a carboxylic acid, just like all other amino acids. An amino acid that is not necessary is aspartic acid. Proteins are composed of amino acids. The term "non-essential" refers to an amino acid that our systems can make on their own even if we do not consume it in diet.

An -amino acid called lysine is a building block of numerous proteins. It is a basic, charged, aliphatic amino acid because it has a -amino group, a -carboxylic acid group, and a side chain lysyl. The codons AAA and AAG encode it.

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Answer:

Explanation:

Since then, the amounts and the percentage shares of total U.S. energy consumption from biofuels, geothermal energy, solar energy, and wind energy increased, and in 2019, the combined percentage share of these renewable energy sources was greater than the combined share of wood and hydro energy.

From google not gonna lie

Answer:

wind energy, hydrogen

Explanation:

these are a couple! there are a few more as well.

Answer:D

Explanation:

There isn't enough gravity or pressure build up on the surface to solidify the deposits of pre existing rocks to make sedimentary rocks

Answer:

Option B

testes not copied

Answer:

i'm not sure sorry

Explanation:

Answer:

h20

Explanation: