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Answer: B. 6 cm

Explanation:

First we take down the information given to us,

distance from the lens to the image (v) = 24cm

distance from the original object to the lens (u) = 8cm

So using the formula

1/u + 1/v = 1/f

Where f is the focal length

So we just input our information

1/8 + 1/24 = 1/f

Therefore;

3/24 + 1/24 = 1/f

4/24 = 1/f

1/6 = 1/f

f = 6

Our focal length = 6cm

Answer:B.6

Explanation:

:)

The conversion of sunlight into electricity using photovoltaic cells (7 letters).

A greenhouse gas released from burning fossil fuels (6 letters).

The process of capturing and storing carbon dioxide emissions underground (10 letters).

The primary source of energy for the Earth (6 letters).

A renewable energy source that utilizes the force of moving water to generate electricity (8 letters).

The process of using nuclear reactions to release a large amount of energy (8 letters).

Down:

2. The phenomenon of the Earth's average temperature gradually increasing due to human activities (11 letters).

A device that converts mechanical energy into electrical energy (9 letters).

The practice of using less energy and being more mindful of energy consumption (8 letters).

The process of splitting atoms to release energy (9 letters).

Please note that these clues are based on common terms and concepts related to energy and global warming.

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Answer:

Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. The plasma membrane, or cell membrane, is the phospholipid layer that surrounds the cell and protects it from the outside environment.

Explanation:

i hope this helps you

Answer:

.33 km or 330 meters.

Both males and females can experience reproductive system disorders. These disorders can be caused by genetic factors, hormonal imbalances, structural issues, infections, or other medical conditions. In males, these disorders may include erectile dysfunction, infertility, testicular disorders, prostate problems, and hormonal imbalances. In females, they may include menstrual disorders, polycystic ovary syndrome, endometriosis, uterine fibroids, ovarian cysts, infertility, and hormonal imbalances. Treatment options vary depending on the specific disorder and may involve medication, hormonal therapy, surgery, or assisted reproductive technologies.

Answer:

Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells. ... The contractile ring shrinks at the equator of the cell, pinching the plasma membrane inward, and forming what is called a cleavage furrow.

Explanation:

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Answer:

The cell splits into two.

Explanation:

Cytokinesis is the process of cell division which divides the cytoplasm of the parent cell into two daughters.

The cell splits into two.

Answer:

The population has decreased because the number of live births has decreased.

The evidence suggests that the population has decreased because of the lack of food availability and resource population due inappropriate management of habitat. The parrots losing their resource population has affected the reproduction cycles of the breeding females causing lower live births in these parrots.  

Climate change also should be taken into account, with the everyday change in the climate it makes for migration to populated breeding grounds unmanageable. If this proves to be the case then an artificial climate controlled sanctuary may be one of the last hopes to saving this breed on parrot.  

Based on the evidence, I conclude that improving or creating an ecosystem where the food resources are plentiful and the climate was sustainable would increase the breeding of the animal.

Explanation: Hope this Helps.

Racial origins and the perspective of a psychologist who is conducting a research subject cannot influence the field of personality psychology, because personality psychology is a branch of psychology that examines personality and its variation among individuals. It aims to show how people are individually different due to psychological forces. His areas of focus include: building a coherent image of the individual and his/her main psychological processes.

Personality Psychology is the area that studies and seeks to explain the human particularities that influence behavior.Personality psychology or differential psychology is the part of psychology that is dedicated to describing and explaining "the enduring, non-pathological human particularities that influence behavior within a given population".

With this information, we can conclude that Racial origins and the perspective of a psychologist who is conducting a research subject cannot influence the field of personality psychology

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Answer:

Genes from both parents were recessive

Explanation:

The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell is approximately 4 moles of ATP.

Since there are 2 moles of mitochondrial NADH, the total ATP yield would be around 4 to 6 moles of ATP. However, the most accurate option among the given choices is 4 moles of ATP.

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Answer:

Seedless vascular plants reproduce through unicellular, haploid spores instead of seeds; the lightweight spores allow for easy dispersion in the wind. Seedless vascular plants require water for sperm motility during reproduction and, thus, are often found in moist environments. Seedless plants can reproduce asexually or sexually. Some seedless plants, like hornworts and liverworts, can reproduce asexually through fragmentation. When a small fragment of the plant is broken off, it can form a new plant. Plants that reproduce by seeds. Seed plants have special structures on them where male and female cells join together through a process called fertilisation. After fertilisation, a tiny plant called an embryo is formed inside a seed. The seed protects the embryo and stores food for it.

Explanation:

The structure that represents a carbohydrate is structure C.

Carbohydrates are one of the three primary nutrients included in foods and beverages, along with proteins and fats.

Carbohydrates are classified into simple sugars or monosaccharides, disaccharides, and polysaccharides.

Glucose is a simple sugar created by the body during the breakdown of complex carbohydrates such as starch. It is the primary source of energy for the cells, tissues, and organs in your body.

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Answer: C

Explanation:

The viral RNA, dsRNA, blocks the expression of certain genes by degrading mRNA molecules. Option D. It destroys mRNA instead of making proteins.

dsRNA is a viral bi-catenary RNA. It is a double-stranded molecule (double-strand, ds).

dsRNA is capable of silencing specific sequences of certain genes. The dicer enzyme cuts dsRNA molecules and produces siRNA small interfering RNA).

siRNAs suppress the expression of target genes when cutting messenger RNA into two halves.

The two mRNA halves are later degraded by the cellular machinery, leading to the suppression of gene expression.

Option D. It destroys mRNA instead of making proteins.

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5.) Water first percolates through the soil

7.) Then, water reaches the rocks beneath.

3.) Eventually, the water reaches the water where the rocks and soil are already saturated with water.

Water can be defined as a universal solvent that is characterized by being odourless, tasteless and colourless and which is chemical made up of hydrogen and oxygen molecules.

When water is allowed to pass through the soil which is porous, it percolates through it to the rocks beneath the upper layers of the soil.

The movement of water through the soil is said to be saturated when there is no net movement of water through the soil.

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Complete question:

5.) Water first percolates through the ______

7.) Then, water reaches the ____ beneath.

3.) Eventually, the water reaches the ____ where the rocks and soil are already ____ with water.

Answer:

No

Explanation:

During the transcription process, nucleotides are complementary to each other when there's a purine (double-ringed nucleotides, such as Adenine and Guanine) and a pyrimidine (single-ringed nucleotides, such as Cytosine, Thymine, and Uracil). This allows the genetic material only to pairs Adenine with Thymine, due to these nucleotides having only two hydrogen bonds that can share one with the other. Whilst Guanine can pair only with Cytosine due to these nucleotides having three hydrogen bonds that they can share with the complementary base.

The RNA nucleotide which is complementary to Adenine is Uracil (U).

Uracil (U) is one of the four RNA nucleotides that make up the RNA molecule. It is a pyrimidine nucleotide, meaning that a sugar (ribose) and a phosphate group are attached to a pyrimidine base. In terms of structure, uracil and DNA-found thymine (T) are comparable, but they differ in one important way: thymine has a methyl group (CH) attached to its ring structure, but uracil does not happen.

During RNA synthesis and transcription, uracil forms hydrogen bonds with adenine (A) to form pairs in RNA. Adenine and uracil bind specifically and complementarily to form two hydrogen bonds. RNA can participate in other RNA–RNA or RNA–protein interactions or serve as a template for the construction of a complementary RNA strand thanks to this base pairing mechanism.

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The three biomolecules that are used for making ATP are Lipids (fats) , Carbohydrates and Proteins

The biomolecules also known as biological molecules serve a wide range of activities and they vary in shape and their size . It is also considered  essential to life because they help organisms develop, survive, and propagate. The biomolecules interact with one another  which play a role in the development of organisms .

There are four types of biological molecules which are carbohydrates which is used as an energy source , lipids which is used for storage and support , proteins is used for supporting essential vital functions and amino acids are the developing elements that make up proteins and nucleic acids for storing genetic information .

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Answer:

Explanation: The tiger is the top predator in the jungles of Asia and the goldfish is a rather small species of fish selectively bred in China, which leasd to the fact that they ARE NOT related.

Evidence: All living things have the same way of transferring genetic information, trough the DNA molecule

Organisms that share the same feeding level (e.g. primary producers, primary consumers, secondary consumers, etc.) are said to be at the same trophic level and is therefore denoted as option C.

This is referred to as a level or a position in a food chain, a food web, or an ecological pyramid.

This comprises of organisms which have a common feeding level such as  primary producers which is usually occupied by plants, primary consumers, secondary consumers, etc thereby making it the correct choice.

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One of the four nucleotide bases in DNA will be replaced by a different base in RNA. The base is thymine and it is replaced by uracil in RNA. Option B is correct.

DNA and RNA are nucleic acids that are composed of nucleotide subunits, each consisting of a sugar, a phosphate group, and a nitrogenous base. The four nitrogenous bases found in DNA are adenine (A), cytosine (C), guanine (G), and thymine (T), while RNA uses uracil (U) instead of thymine.

During transcription, the process by which RNA is synthesized from a DNA template, RNA polymerase reads the DNA sequence and incorporates complementary RNA nucleotides, creating a single-stranded RNA molecule that is complementary to the DNA template.

In RNA, uracil (U) pairs with adenine (A) via hydrogen bonds, while in DNA, thymine (T) pairs with adenine (A) via hydrogen bonds. Therefore, during transcription, thymine is replaced by uracil in RNA, which allows for base-pairing with adenine and ultimately the production of the RNA molecule.

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Option D Exposure, weathering, and erosion is the correct answer. It is the combination of processes that can transform a metamorphic rock into sediments.

Metamorphic rocks are shaped by the change of pre-existing rocks (molten, sedimentary, or other metamorphic rocks) through warm, pressure, and/or chemical forms. To convert a metamorphic rock to sediments, the rock ought to be uncovered to the surface and experience weathering and disintegration forms.

Exposure alludes to the method of bringing the transformative rock to the Earth's surface. This could happen through structural elevations, disintegration of overlying rocks, or volcanic action. Once the rock is uncovered, weathering processes break down the rock into littler parts or sediments. This may happen through physical or chemical weathering, such as the activity of water, wind, ice, or chemical responses with air or water.

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Answer:

Chemical energy.

Explanation:

Chemical energy is stored in a fossil fuel and released in the form of kinetic energy when burned  

Hope this helps!

The example that includes only chemical changes that occur in the digestive process is the reaction of saliva, stomach acid, bile, and pancreatic juices with food. Option D.

Chemical changes refer to changes to the chemical properties of substances. In biological reactions, these substances are referred to as reactants.

Chemical changes are different from physical changes. In physical changes, only the physical properties of substances are altered while their chemical properties remain intact.

When a substance changes chemically, its physical properties most often change along. However, this is not in all cases.

Thus, looking at the examples given, their classification into either physical or chemical changes is as follows:

When saliva, stomach acid, bile, and pancreatic juices react with food, the chemical properties of food change because the enzymes convert different components of food from one form to another as part of the process of digestion.

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Answer:

The nervous system guides everyday activities such as waking up; automatic activities such as breathing; and complex processes such as thinking, reading, remembering, and feeling emotions.

Explanation: