the image below shows a common blood pressure gauge what does this device do?

Photosynthesis and respiration should balance each other out.

Cellular respiration and photosynthesis are both dependent on each other, thus creating a cycle. Respiration creates carbon from oxygen, while photosynthesis takes that carbon created and reuses it to make oxygen. If they are creating/using carbon at the exact same rate, everything should stay the same. I think that's the answer you were looking for, anyways. Hope I helped :)

Organic(Ordinary) leaves are grown on trees organically by water(Dew) and temperature. 1 difference between Sessile and Ordinany leaves is the time of year when they fall off.

I'll give you a hint for the rest, Do sessile fall? Do Ordinany leaves fall? Do both? Do neither?

The main difference between sessile and ordinary leave is petiole.

Sessile leaves lack sessile while ordinary leaves have a petiole. In botany, sessility (meaning "sitting", used in the sense of "resting on the surface") is a characteristic of plant parts that have no stalk. Flowers or leaves are attached directly from the stem or peduncle, and thus Sessile leaves lack a lack a petiole or pedicel. The leaves of the vast majority of monocotyledons lack petioles.

Answer:The reason for the plant that its leaf got wilted after being watered with salty water is that salty water is so dense that it does not allows for osmosis through the plant tissues ans eventually it dehydrates the plant by actually taking water out of the plant.

There are chances that the salt water can be poisonous to the plant. Too much salt interferes in the chemical processes which the plant uses to spread the nutrients in the plant. This can kill the plant.

The plant wilted is due to the fact that the plant was dehydrated.

The experiment that was carried out was about a plant that was watered with salt water and after watering the plant with salt water, it wilted.

It should be noted that salty water is dense and doesn't give room for osmosis to take place. This leads to dehydration as it takes water out of the plant.

Also, it should be noted that when the salt is too much, it causes harm to the plant as it interferes in its chemical process. This eventually leads to the plant wilting.

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2 eroding of land by wind

4 overusing land

3 plowing land without replanting

2 eroding of land by wind  

3 plowing land without replanting

4 overusing land

The topsoil is the upper and outermost layer of the soil. It exhibit high amount of organic matter and the microorganisms remain active in the layer. It is composed of mineral particles, water, organic matter and air. It is fertile in nature and can support plant growth.

The erosion of land by wind: The soil erosion can occur due to agents like wind and water. These agents displace the top layer of soil and the components are deposited to other places.

Plowing land without replanting: Plowing is an agricultural practice in which the compact and tight soil is improved by turning up using a tool. It is done before sowing of seeds. Plowing can result in the soil erosion by wind as the loose soil can be easily blown up by wind.

Overusing land: The land can be overused in agricultural practice and mining. These practices can remove the topsoil layer.

A chemical equation is balanced, when there are the same amount of atoms in both sides of the equation. Here are some examples of non-balanced and balanced equations:

[tex]O_{4} + CO_{2} \neq O_{3} +CO_{2}[/tex] → non-balanced

[tex]H_{8} + C_{2} = 2H_{4} + C_{2}[/tex] → balanced

Hope it helped,

BioTeacher101

The correct answer is C) The human appendix helps to maintain the health of the gut, and arose fairly late in the evolutionary history of mammals.

Vestigial organs are those organs that have lost all or most of their functions. One of its example is appendix. Some researchers think that the appendix in humans was used to digest cellulose( present in plant). Some scientist believe that modern human appendix play role as a house for digestion-aiding bacteria.

Answer:

The human appendix helps to maintain the health of the gut and arose fairly late in the evolutionary history of mammals.

Explanation:

I got it right. The other person is right, I just like having photographic evidence. Hope this helps. :)

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No, because it is an organic substance. They are considered gems, but not minerals. :)

Answer:

Although the soft-tissue lining of oysters and clams creates pearls, pearl is not a mineral because it is an organic substance. The correct answer is the last one.

Explanation:

Pearls are often considered gemstones; they are a composite of the mineral Aragonite and the organic compound conchiolin, which is a protein, and the combination of both of them is called nacre.

 Biology is a general area of science that deals with understanding living things and the processes of life in general.

(basically it is about a different kind of science ex. chemistry is science on elements)

hope this helps :)

The optimal temperature for catalase to the physiological conditions of a cell is 37 degree Celsius. The optimal pH for the enzyme is neutral, that is, 7.0. Catalase is generally used by the majority of animals to catalyze hydrogen peroxide into water and oxygen.  

Hydrogen peroxide is one of the harmful byproducts of certain kind of metabolic procedures and must be transformed quickly post creation to inhibit damage.  

The answer is Trench and Volcano, because when two plates of different densities collide. When an oceanic plate and a continental plate collide.

Trench and volcano could form at the plate boundary.

When two tectonic plates of different densities collide due to convection currents that are produced by the heat within the asthenosphere, a plate boundary (convergent) is formed. Deep trenches are usually formed where one of the plates slides beneath each other (a process called subduction). Trenches are elongated and often narrow cavity. The plate which is below will move down into the mantle, and there will be release of fluids from the rock which will partially melt the mantle. The molten rock will rise and may erupt violently to produce volcanoes.

Other features that could also form at the plate boundaries apart from trench and volcanoes are submarine mountain ranges and fault lines.

Answer:

its b

Explanation:

cell structure, evolution, homeostasis

The right order is

1. A receptor detects a signal

The stimulus (ie the external signal), by its action on the sensitive area of the sensory receptor called transducer site, creates a variation of potential whose course and amplitude depend on the stimulus.

This variation of potential constitutes the receiver potential.

This conversion of the stimulus into a receptor potential, called transduction, is related to changes in the permeability of the receptor cell membrane.

2. The sensory nerves sends a signal to spinal cord .

Sensory information is detected by peripheral sensory receptors and then transmitted to the central nervous system via sensory neurons, otherwise known as afferent fibers. These sensory neurons have a particular morphology, they are called "T" neurons because the single dendrite and the axon that emerge are contiguous to the cell body, located in the ganglion, then separate to connect the sensory receptor d one side, and the nerve center of the other.

3. The relay neuron sends a signal to motor nerves .

The motor nerves carry motor control from the central nervous system to the effectors that are mainly the muscles. These efferent nerve fibers originate in the central nervous system: the spinal cord and the motor brain centers. Efferent fibers emerge from the spinal cord through the ventral root of the ventral horn. From the spinal cord are motor neurons γ, which contact the neuromuscular spindle.

4. A muscle receives a signal to contract .

The neuromuscular spindle is a mechanoreceptor composed of modified muscle fibers. Arranged parallel to the muscle fibers, it is sensitive to the lengthening of the muscle, and translates a mechanical stimulus into a nervous message.

These spindles are sensory receptors. They therefore play an important role in static proprioception, as well as in kinesthesia.

They are also involved in the myotatic reflex: their role is then to increase the level of contraction of the muscle in response to its own stretching. The muscle tends to return to its original length.

5. A bone moves.

Muscular movement is based on the ability of a living structure to exert a force by shortening itself. Which requires:

* a contractile structure: the muscle

* a support structure (to be able to exert a force): the skeleton (bones and joints) and the tendons by which the muscles are attached to it

* a control system (the nervous system) and a control system (the nervous system or the immune system that act by chemical mediators (hormones, neurotransmitters ...) and adaptation (response to environmental stimuli) essentially comprising receptors (organs of internal and external perception) connected to the control nerve centers (brain).

Man uses the muscular force developed by his muscles that rely on a skeleton to perform movements under the control and control of the nervous system and organs of perception. put apart the reflexes, he can also use the movements of his limbs resting on the ground or water to move his whole body (walking, running, swimming ....).

A reflex begins when a receptor detects a signal, which sends an impulse via a sensory neuron to the spinal cord. It is then transferred to a motor neuron via a relay neuron, which leads to a muscle or gland reacting. If the reaction is a muscle contraction, it may cause a movement, such as the movement of a bone.

A reflex is an automatic, involuntary response to a stimulus. The correct order of steps that describe how a reflex occurs are as follows:

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Answer:

AB-

Explanation:

All AB blood can receive AB-, but only AB+ can receive AB+, so it is safer to use AB- if the RH factor is unknown.

AB+ can receive AB+ or AB-

AB- can only receive AB-

A reaction is called spontaneous when it takes place of its own accord without any external help. It is an exothermic reaction and it is a spontaneous reaction . Above examples show, both exothermic and endothermic reactions could be spontaneous.

There are various types of chemical reactions based on the properties of the reactant. Exergonic reactions are chemical reactions that tend to happen spontaneously.

Exergonic reactions are defined as chemical reactions that show spontaneous nature and releases energy out into the surrounding. The reactants form a stronger bond when they are joined instead of when the bonds are broken.

In a biological system, the exergonic reactions occur when glucose is broken down into waste and carbon dioxide during the cellular respiration step. This released amount of energy is used by the cells to function and plays various roles.

Therefore, exergonic chemical reactions are spontaneous reaction that tends to occur on their own.

Learn more about exergonic reactions, here:

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The correct answer is the application of the coarse adjustment to focus the specimen under high power.  

One should always remember while using the coarse adjustment to focus the microscope is to use it only with the low power objective. One should prevent the use of coarse adjustment when focusing on high power because the image moves in and out of focus too prompt that it becomes tough to accurately adjust the focus.  

Secondly, one may run the threat of crashing the objective into the slide, that is, why it is recommended to use the coarse focus only with the 4x low power objective. However, one can use the fine focus knob with all the objectives.

Improper cleaning of lenses, carelessly adjusting the focus and objective, misuse of immersion oil, and not securing the microscope when not in use can lead to microscope and specimen damage.

There are several activities that could potentially lead to damage of a microscope and specimen. These include activities such as not cleaning the lenses with lens paper, allowing the lens to come into contact with the slide by rapidly changing the focus, pushing an objective into a slide, and using the coarse focusing knob when using the 40× or greater objective lenses. Moreover, only using immersion oil with a specialized oil objective, generally the 100× objective and cleaning oil from immersion lenses after using the microscope is critical.

Damage may also come from negligence when a microscope is not being used, such as not covering it or placing it in a cabinet. Looking at a specimen, if the slide with the specimen is not properly secured and centered over the light, damage may occur. It is crucial to take the utmost care when using a microscope and handling specimens to avoid any damage that may affect the accuracy of your observations and study.

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precipitation. i think.

The plasma membrane is the cell structure that regulates what enters and leaves the cell. It has selective permeability, allowing only certain substances to pass through, providing both protection and support to the cell.

The structure that regulates what enters and leaves the cell is called the plasma membrane. This membrane separates the cell from the external environment and controls the passage of organic molecules, ions, water, oxygen, and waste in and out of the cell. The plasma membrane has the ability to regulate the concentration of substances inside the cell, a property referred to as selective permeability.

It allows only certain substances to pass through, while keeping others in or out, including ions such as Ca+, Na+, K+, and Cl¯; nutrients including sugars, fatty acids, and amino acids; and waste products, particularly carbon dioxide (CO2), which must leave the cell. Not only does the plasma membrane control what material enters and leaves the cell, but it also provides protection and support to the cell.

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Atomic Number. I hope that's what you were asking.

Answer:

The atomic number identifies an element

Explanation:

The atomic number of an element refers to the number of protons in each atom of the element. While the number of neutrons and electrons can vary, changing the masic number as a consequence, the number of protons in an element never changes and because of that it accurately defines it.  

[tex]108.2\ million \km = 108.2*10^6\ km = 1.082*10^8\ km

Using a proportion:

\frac{1,082*10^8}{1,5*10^8} = 1.082/1.5 = 0.72 AU[/tex]

Answer: A) 0.72

Answer:

0.72

Explanation:

Answer:

The correct answer would be "to regulate cell reactions".

Lactase is an enzyme that catalyzes the hydrolyses of lactose to form glucose and galactose.

It is present in the small intestine of mammals including humans and help in digestion of milk sugar that is, lactose.

The overall reaction can be written as:

C₁₂H₂₂O₁₁ (lactose) + H₂O → C₆H₁₂O₆ (glucose) + C₆H₁₂O₆ (galactose)+ heat

Answer:

the answer is D. to regulate cell reactions

Explanation:

Answer:

Human bones can be used for determination of age of the deceased. Age can be estimated from the bone by studying their ossification centers at this point fusion in the bone region takes place and the bone attains maturity. Skull suture also provide evidence of age, different sutures fuse at different age in humans. Pelvis also can give rough estimation of age.

Answer:

Human bones can be used for determination of age of the deceased. Age can be estimated from the bone by studying their ossification centers at this point fusion in the bone region takes place and the bone attains maturity. Skull suture also provide evidence of age, different sutures fuse at different age in humans. Pelvis also can give rough estimation of age.

Explanation:

The correct answer would be A. seal as paramecium, bacterium, and amoeba are all single-celled organisms. Thus, they cannot be an organism with tissues.

A seal is the only organism that contains tissues!!!

Physical weathering, also known as disaggregation or mechanical weathering, refers to the category of procedures, which makes the disintegration of rocks in the absence of chemical modification. In general, the mechanical weathering takes place due to the build-up of pressure within the rocks.  

However, the rocks can also get worn away by a procedure known as abrasion. Abrasion refers to the disintegration of rocks due to friction.  

The abrasion is a form of mechanical weathering apex.

The oceans on early Earth formed as the planet cooled and volcanic activity released gases through outgassing. Water vapor in the atmosphere condensed and created rain, which filled basins to form primitive oceans. Additional water from space may have contributed to this process.

Approximately 4.6 billion years ago, when Earth formed, it was a molten world without an atmosphere or oceans. Over time, Earth's early, hot surface began to cool, allowing for a solid crust to form. As the climate continued to cool and the crust solidified, volcanic activity was prevalent, emitting various gases, a process known as outgassing. The outgassed water vapor, along with gases like carbon dioxide (CO2) and methane (CH4), started to build Earth's early atmosphere.

Eventually, as the atmosphere cooled further, the water vapor started to condense, and Earth experienced its first rainfall. This condensation and the subsequent precipitation were crucial steps in the formation of Earth's oceans. Additional water is theorized to have been delivered by comets and asteroids striking the planet.

Over millions of years, and as the surface temperature dropped, persistent rainfall filled basins and low areas, forming the primitive oceans. The atmosphere, once hostile and rich in reducing gases like methane and ammonia, began to transform as the Earth evolved towards supporting life as we know it today.

By about 3.8 billion years ago, enough cooling had occurred to allow rainwater to stay liquid and not vaporize upon contact with the Earth's surface. Thus, the early warm, shallow oceans were formed in a reducing environment with little oxygen. Later tectonic activity would reshape these primitive oceans into the complex distribution of seas and continents present on modern Earth.

The basic difference between them is that Earthworms are segmented invertebrates belonging to the phylum Annelida, Tapeworms are flatworms belonging to the phylum Platyhelminthes, and Roundworms are parasitic worms belonging to the phylum Nematoda.

Is this biology class? Lol

It would be first one.