what happens to the pressure as you travel down

i think it is tundra

Tundra biome contains many low growing plants that stay close to the ground for warmth.

The tundra is a cold, treeless biome found in the northern hemisphere, characterized by long, harsh winters and short, cool summers. The ground is permanently frozen, with a layer of moss, lichen, and a few hardy plant species such as mosses, lichens, and shrubs adapting to these conditions.

Wildlife in the tundra includes species such as caribou, Arctic foxes, and migratory birds. Despite its inhospitable climate, the tundra plays a critical role in the global ecosystem, acting as a carbon sink and helping regulate the Earth's climate. However, the tundra is also vulnerable to the impacts of climate change, with rising temperatures causing changes in the timing and duration of seasons, affecting the plants and animals that call it home.

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The primary factor that determines whether solute diffusion will or will not occur is the concentration gradient, with molecules moving from higher to lower concentrations. Secondary factors include temperature and medium's molecule size, both of which can impact the speed of diffusion.

The primary determining factor that will or will not allow solute diffusion is the concentration gradient. Diffusion is driven by a process of elimination where molecules move from an area of higher concentration to a lower concentration area, attempting to equalize the concentration throughout.

Two secondary factors that affect solute diffusion are temperature and medium's molecular size. The higher the temperature, the more kinetic energy the molecules have, which results in faster diffusion. On the other hand, the size of the medium's molecules can impact diffusion as well; larger molecules move slower than smaller ones, hence, they diffuse slower.

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Sulfur dioxide (SO₂) is not likely to be an ionic compound because it is composed of two nonmetals, sulfur and oxygen, making it a covalent compound.

To determine which of the compounds KBr, SO₂, or AlCl₃ is not likely to be an ionic compound, we look at the types of elements involved. Ionic compounds are typically formed between metals and nonmetals. Potassium bromide (KBr) and aluminum chloride (AlCl₃) both have metals (K and Al, respectively) and nonmetals (Br and Cl, respectively), so both are likely ionic. However, sulfur dioxide (SO₂) consists of two nonmetals, sulfur (S) and oxygen (O), suggesting that it is not ionic but a covalent compound.

Answer: Skeletal System

Explanation:

The skeletal system of the body helps the body in their movement and support. The skeletal system of the body is made of salts and proteins.

The skeletal system is the basic structure which provides the body its structure. The main function of this system is to help in movement of the body like bending, walking, sitting, et cetera.

The main constituents of bone is salts of calcium and phosphate. This makes the bones so strong that it can handle weight of the whole body.

Answer:B: Nuclear membrane, endoplasmic reticulum, Golgi apparatus, and vesicle

Explanation:

Answer:

Evolution and/ or mutations can cause change within species over time

Answer:

succession

Explanation:

hope it helps

The answer should be:

Placenta

If you'd like to know why:

The gestational period of kangaroos and other marsupials is not very long. Although they do give birth to live young, they give birth early. The off-spring is essentially just an embryo when the mother gives birth and it just latches on the nipples and develops for weeks to months.

Note: Its not really that they do not have a placenta, but theirs are just very different. Placentas in other mammals provides nutrients and blood supply to the fetus internally, but in marsupials, the nutrients provided in the womb comes from the yolk of the ovum, which serves as the placenta.

the answer is placenta.

Final answer:

Cells can move substances against their concentration gradient primarily through active transport and the use of carrier proteins or pumps, both of which require energy from ATP.

Explanation:

The question asks about two ways that a cell can move a substance against its concentration gradient. One primary way is through active transport, where the cell utilizes energy in the form of adenosine triphosphate (ATP) to move substances from an area of lower concentration to an area of higher concentration. The most common example of active transport is the sodium-potassium pump, which moves sodium out of cells and potassium into cells against their respective concentration gradients.

Another method involves the use of carrier proteins or pumps that also require energy from ATP to function. These proteins bind to the substance to be transported, undergo a change in shape that allows them to carry the substance across the cell membrane against the gradient. This mechanism is critical for maintaining the necessary concentrations of ions and other substances within the cell, despite passive movements that may tend to equalize concentrations across the membrane.

I am pretty sure it is A) oxygen and waste carbon dioxide are not effectively exchanged.

The nucleolus is present in both plant and animal cells. It is responsible for assembling ribosomes and is located within the nucleus.

The nucleolus is a distinct structure found in the nucleus of eukaryotic cells. It is present in both plant and animal cells.

The main function of the nucleolus is to assemble ribosomes, which are involved in protein synthesis. It is composed of proteins and ribosomal RNA (rRNA).

In plant cells, the nucleolus is usually located within the nucleus and may have multiple nucleoli, while in animal cells, it is typically a single nucleolus.

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Iron skillet and copper pipe are conductors, while flannel shirt and an oven mitt are insulators.

Thermal conductors are materials that transfer heat well due to the movement of free electrons or atomic vibrations. Metals such as iron (in the skillet) and copper (in the pipe) are excellent thermal conductors, explaining why they're also good electrical conductors. This is linked to the high density of free electrons in these metals, which allows them to transport thermal energy efficiently. Examples of thermal conductors include silver, copper, gold, and aluminum, which are all noted for their ability to conduct electricity as well.

Conversely, materials like the flannel shirt and oven mitt are thermal insulators. Thermal insulators are materials that do not conduct heat effectively, which can be due to their lack of free electrons or their structure that obstructs heat transfer. These are often used to prevent the transfer of heat, keeping us warm or protecting us from heat, as with an oven mitt. The handles of cooking utensils are typically made from poor thermal conductors to prevent burns when handling hot cookware.

The human body is organized from simple to complex levels, starting with cells forming tissues, tissues forming organs, and organs forming organ systems, which make up the entire organism.

The human body is organized at different hierarchical levels of structural complexity, with each level building upon the one below it to create the intricate systems necessary for the body's function. The basic structural and functional unit of life is the cell. Groups of similar cells join together to form tissues, which are the building blocks for more complex structures in the body.

Tissues themselves are categorized into four main types: epithelial, connective, muscle, and nervous tissues. These tissues work in concert to construct organs, which are complex structures with specific functions, such as the heart, lungs, and brain. Each organ is typically composed of several different types of tissues arranged in a precise manner to carry out the organ's functions efficiently.

Multiple organs then combine to form organ systems, such as the skeletal system or the muscular system, which work together to perform functions necessary for life. The organization of these systems is such that they ensure homeostasis and allow for complex behaviors and processes in the body. In essence, cells make up tissues, tissues make up organs, and organs make up organ systems, which together create the complete organism, like a human being.

how do you classify the defenses as non-specific defense and specific defense?

Final answer:

Cellular respiration is a set of chemical reactions that convert carbohydrates and oxygen into carbon dioxide, water, and energy. Living things that carry out cellular respiration include plants, animals, and microorganisms.

Explanation:

Cellular respiration is a set of chemical reactions that convert carbohydrates and oxygen into carbon dioxide, water, and energy in the form of ATP. It is the process through which living organisms obtain energy from their food.

Living things that carry on the process of cellular respiration include plants, animals, and microorganisms.

The chemical equation for cellular respiration is: C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP. The reactants are glucose (C₆H₁₂O₆) and oxygen (O₂), and the products are carbon dioxide (CO₂), water (H₂O), and ATP.

If the earth's mantle were completely solid, tectonic plates could not move around.

Tectonic plates are defined as a scientific theory that describes how the Earth's underground movements result in the formation of significant landforms. The fundamental landforms are thought to be the result of the Earth's subsurface motions, according to the scientific theory of plate tectonics. By explaining a wide range of phenomena, including as mountain-building events, volcanoes, and earthquakes, the theory, which became firmly established in the 1960s, revolutionized the earth sciences.

The heat generated by nuclear reactions taking place inside the planet's center causes the plates to move periodically toward and occasionally away from one another. Tectonic shift is another name for this movement.

Thus, if the earth's mantle were completely solid, tectonic plates could not move around.

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