which two parts of the microscope cause magnification

V-pattern caused by fire burning upward. Thus, the correct option is B.

V-Patterns: Because fire burns up in a V-shape, a fire that starts at an outlet next to a wall will leave a char pattern that will help identify the source. A fire that is hotter than usual, such as one aided by an accelerant, may have an extremely narrow V-shape.

The observable or quantifiable physical changes or recognisable shapes produced by a fire effect or combination of fire effects are known as fire patterns, sometimes known as burn patterns. The changes that occur in or on a substance as a result of exposure to fire are known as fire effects.

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Answer:

Explanation:

air polution

Answer:

Plant breeding is the purposeful manipulation of plant species in order to create desired genotypes and phenotypes for specific purposes. Plant genetic is is the study of genes, genetic variation, and heredity specifically in plants.

The seed method involves selecting plants with desired traits and breeding them to produce offspring with those traits and the biological method involves using mutation breeding, tissue culture, and genetic engineering to create new plant varieties.

The seed method and the biological method of breeding are two approaches that are used to develop new plant varieties.

The seed method involves selecting plants with desired traits and breeding them to produce offspring with those traits. This can be done through various techniques, such as crossbreeding, inbreeding, and hybridization. The seed method relies on the transfer of genetic material through the seed, and it is often used to develop new varieties of crops that are well suited to specific growing conditions.

The biological method of breeding involves using techniques such as mutation breeding, tissue culture, and genetic engineering to create new plant varieties. This approach involves altering the genetic makeup of plants in order to introduce new traits or to enhance existing ones. The biological method can be more precise and faster than the seed method, but it also involves more complex techniques and may be more expensive to implement.

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Neutrophils are activated by chemokines such as pathogen molecules or cell damage–associated proteins.

These are granulocytes and comprise of majority of the white blood cells found in the body.

They are usually activated by chemokines which are usually in the form of pathogen molecules or cell damage–associated proteins to ensure the body is adequately protected.

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At the beginning of mitosis, a mosquito cell has six double-stranded chromosomes. This cell will have split into two daughter cells with six chromosomes each at the end of mitosis. Consequently, 6 chromosomes will be provided to each daughter cell (single-stranded).

One cell divides into two genetically identical daughter cells during the cell duplication process known as mitosis. The cell's chromosomes are duplicated throughout the process of mitosis and then divided equally between the two daughter cells' two new nuclei.

Every chromosome acquires identical copies of the parent cell's DNA thanks to anaphase. At their centromere, the sister chromatids divide in half to form distinct, identical chromosomes.

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Answer:

soil reaction is an indication of the acidity or alkalinity of soil and is measured in pH units

Answer:

Fox has a better chance of survival due to its thinking capacity as smartness.

Answer:

hope it is helpful for you but is very long but it is right way to write this answer if you like this answer please make me brilliant

Explanation:

fox have a server adaptations that allow them to survive their round compact bodies minimise surface area that expose the cold air the muscle years and legs are short which is also conserve heat

leopards are a solitary creatures that only spent time with others when they are making or racing young

they are also nocturnal and spent their nice hunting instead of sleeping leopard spent a lot of their time in trees there spotted comouflages them making template in with the leaves of the three

Transport of blood under high pressure is done through the concerted efforts of the heart and arteries.

Transporting blood under high pressure can be explained in the following steps:

As a result of the above, the high pressure of blood is maintained and transported to the extremities of the body.

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Answer:

A. It saves energy for the organism to produce fewer chromosomes.

B. Asexual reproduction requires fewer chromosomes than sexual

reproduction

C. If it did not, the chromosome number would double in each

generation

D. Organisms reproduce sexually by joining two tetrads together.

Based on the ecosystems located near the Sonoran and Chihuahuan Deserts, an ecosystem which the thornscrub belongs to is: B. shrubland.

Thornscrub can be defined as a transitional biome that exist between a tropical and desert forest. This ultimately implies that, thornscrub comprises grasses, geophytes, and herbs,

In this context, we can infer and logically deduce that an ecosystem which the thornscrub belongs to is shrubland because it's typically made up of a plant community.

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The two solids are at the same temperature

A metabolic reaction will most likely reverse itself when the concentration of its products is too high.

A metabolic reaction is a chemical reaction that generates one of more products, which are used by the body.

Metabolic reactions are homeostatically controlled in order to maintain the internal body equilibrium.

In conclusion, a metabolic reaction will most likely reverse itself when the concentration of its products is too high.

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The autonomic nervous system controls internal body processes such as the following: Blood pressure, Heart and respiratory rates and Body temperature.

It helps to maintain the stability and internal balance of the body, through the coordination of various activities such as hormone secretion, circulation, respiration, digestion and excretion.

this system is a functional division of the nervous system, and has parts in the central nervous system (CNS) and the peripheral nervous system (PNS). It unconsciously controls the glands and smooth muscle of all internal organs.

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Answer:

B. A bear hibernating

Explanation:

The other options are not specific to seasons, but bears consistently hibernate annually in the winter.

The structures B and C have in common is that both contain partially disgested food. Thus, the correct option is B.

Structure B represents the food pipe or esophagus, while structure C represents the stomach.

Chyme is produced only when food is fixed with gastric juice which is only present in the stomach, hence option A is incorrect.

Waste material is found in the rectum of the body structure, not in the esophagus and the stomach. Thus, option C is also incorrect.

Therefore, the correct option is B.

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Answer:

B) C - G

Explanation:

There are only 2 complementary bases in DNA which are:

Answer:

D. theory.

Endosymbiosis is considered a theory.

Explanation:

Endosymbiosis explains the origin of chloroplast and mitochondria, and it also explains how the eukaryotic cells came to be.

Hope this helps!

If not, I am sorry.

Answer:

Diffusion is the process in which molecules and ions move from a region of high concentration to low concentration. Its also how cells transport waste out of the cell and nutrients into it hence being very crucial. Diffusion also occurs without the expenditure of extra energy using a procedure known as passive transport. (Osmosis is a form of diffusion but deals with water exclusively).

Examples of where diffusion is important;

In the intestines - Digested food molecules such as amino acids and glucose move down the concentration gradient from the intestine into the bloodstream. Wastes such as carbon dioxide or urea travel via diffusion from the body's cells to the bloodstream.

Osmosis plays a major role in living organisms. It aids in the transportation of nutrients from cells to cells and also helps to remove the waste's metabolic products from the cell. The purification of blood in the kidneys is also dependent on the process of osmosis.

The blank space in the task content should be filled with; Prokaryotic (unicellular).

Bacteria are a host of unicellular organisms prokaryotic in nature, and are characterized by lack of a true nucleus and other cellular organelles. The bacteria cell is most often composed of the cell wall, plasmid, cytoplasm and flagella.

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Bacteria are single-celled organisms that lack membrane bound organelles


Single celled organisms are also know as prokaryotes. The characteristics of prokaryotes includes;

- They lack nuclues
- They reproduce asexually(binary fission)
- Their cell wall is composed of amino acids and carbohydrates


Bacteria are found all over our surroundings, they can also be found in the human body. They come in different shapes and structures such as cocci, rod, vibro, spiral.

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Even when asymptomatic, the virus can still be actively multiplying and killing cells in the immune system that help fight pathogens. This is further explained below.

Generally, the virus is simply defined as a virus consisting of a core of genetic information, either DNA or RNA, wrapped by a capsid, which is a protective covering formed of protein.

In conclusion,  It is possible for the virus to be actively reproducing and destroying immune cells even in the absence of any outward symptoms.

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The biomass would be different because aquatic plants are producers while bluegill fishes are consumers.

In a food chain or food web, the biomass of the population of organisms at the lower trophic levels is usually more than that at the higher trophic level.

Thus, producers tend to have more biomass than primary consumers. Primary consumers tend to have more biomass than secondary consumers.

In the same vein, secondary consumers have more biomass than tertiary consumers.

Bluegill fishes are consumers while aquatic plants are producers. Thus the biomass of aquatic plants would be more than that of bluegill fish.

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The arteriole can reduce the blood flow into capillaries because the pressure difference between two ends.

Arterioles are final branches of the arterial system. Arterioles regulate the distribution of blood in different capillary beds by vasoconstriction and vasodilation in localized regions, because their walls contain circularly arranged smooth muscle fibers.

So the flow through a blood vessel is entirely determined by the pressure difference between the two ends of the vessel, which is the force pushing blood forward through the vessel, and the obstacle to flow.

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The second artery that branches off the aortic arch is the left common carotid artery.

The left common carotid artery is a blood vessel that emerges from the aorta in the hearth.

The left common carotid artery is one of the most important branches of the arterial system.

In conclusion, the second artery that branches off the aortic arch is the left common carotid artery.

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The embryonic germ layer that gives rise to nervous tissues is the ectoderm.

There are 3 types of embryonic layers for triploblastic animals:

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Answer:

A

Explanation:

Due to the hot weather the plants moisture start to decrease until they wilt.

Answer:  a lack of turgor pressure that would usually come from water stored in the central vacuole

Explanation: Dehydration.

A fishery is considered collapsed when the annual catches fall below 10 percent of their historic high.

This process involves rearing and harvesting of fishes for domestic or commercial purposes.

When the annual catch falls 10 percent below its historic high it means it has collapsed due to decrease in their number with the stocks no longer being able to support the fishery

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