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In the given case, falling of earplugs while visiting a loud factory could result in the damage to the middle ear.

Rupture in the eardrum, that is, a thin tissue, which separates the ear canal from the middle ear can cause damage in the middle ear. The middle ear damage can lead to hearing loss. Rupture in the eardrum can also make the middle ear susceptible to infections.

Middle ear damage can result due to:

Therefore, in the given case, due to fall-out of earplugs of Kelli while visiting a very loud factory could result in damage to the middle ear.

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Answer:

d. a system that enhances the destruction of bacteria through the activation of mast cells, lymphocytes, and phagocytes

Explanation:

Mast cells are white blood cells (i.e., lymphocytes) that form part of the immune system. These cells form part of the first line of defense against pathogenic organisms. Some of the most important phagocytic cells that function to protect the body by ingesting pathogenic agents (e.g., harmful bacteria) include mast cells, monocytes, neutrophils, macrophages and dendritic cells. In this regard, it is important to highlight that mast cells are similar to basophil granulocytes (another type of lymphocyte), and they are derived from hematopoietic stem cells.

Answer: True

Explanation:

Answer:

100% long-coat

Explanation:

Assuming that the long-coat trait is represented by L allele and the short-coat trait by l allele.

True-breeding long-coat dog would have the genotype LL while true-breeding short-coat would have the genotype ll.

Assuming that the long-coat trait is dominant over the short-coat trait.

           LL    x    ll

        Ll   Ll   Ll   Ll

All the offspring would have Ll genotype and would appear with long-coat phenotypically. Hence, the proportion of offspring phenotypes is 100% long coat.

Answer:

55.7 moles of PCl₃ and 55.7 moles of Cl₂

Explanation:

The balanced chemical equation for the reaction in which phosphorus pentachloride (PCl₅) is decomposed in phosphorus trichloride gas (PCl₃) and chloride gas (Cl₂) is the following:

PCl₅(g) → PCl₃(g) + Cl₂(g)

According to the stoichiometric coefficients, 1 mol of PCl₅ produces 1 mol of PCl₃ and 1 mol of Cl₂. So, the stoichiometric ratios reactant/product are: 1 mol PCl₃/1 mol PCl₅ and 1 mol Cl₂/1 mol PCl₅. Thus, we multiply the stoichiometric ratios by the number of moles of reactant:

1 mol PCl₃/1 mol PCl₅ x 55.7 mol PCl₅ = 55.7 mol PCl₃

1 mol Cl₂/1 mol PCl₅ x 55.7 mol PCl₅ = 55.7 mol Cl₂

Therefore, 55.7 moles of PCl₃ and 55.7 moles of Cl₂ are obtained from the decomposition of 55.7 moles of PCl₅.

Answer:

b. and f.

Explanation:

The two main categories of activities that are asked about are specific exercises like running, swimming, and biking. As well as moderate exercise that causes increased heart and breathing rate. These are asked about because they are separate physical activities from an individual's everyday life whether it is done as a hobby or for health reasons. They tend to influence the physical status and are therefore important when determining activity level. Other tasks are usually not included since they are considered normal for survival as everyday tasks.

As per the observation, the correct answers about the determining activity level  are options:  

b. specific exercises like running, swimming, biking, and f. moderate exercise that causes increased heart and breathing rate.

The primary classes of sports which are requested approximately are unique sporting activities like running, swimming, and biking. As properly a slight workout that reasons expanded coronary heart and respiration rate.

These are requested approximately due to the fact they're separate bodily sports from an individual's regular lifestyles whether or not it's miles executed as an interest or for fitness reasons. They have a tendency to steer the bodily reputation and are consequently critical while figuring out pastime level. Other responsibilities are typically now no longer covered because they're taken into consideration every day for survival as regular responsibilities.

There are three essential approaches to describing the depth of an activity – vigorous, moderate, and gentle.

Thus it is clear that the following activities were asked about when determining activity levels were b. specific exercises like running, swimming, and biking. f. moderate exercise that causes increased heart and breathing rate.

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Answer:

P generation = TtRr × TtRr i.e both parents were heterozygote for both traits

Explanation:

This question involves two genes encoding the height and texture in pea plants respectively. The alleles for tall and smooth pea traits are dominant over the alelles for short and wrinkled traits.

According to this question, two plants are crossed to produce F1 offsprings as follows: 612 tall and smooth pea plants and 188 short and wrinkled pea plants.

First, we turn this derived number of offsprings into ratio by dividing by the smallest number (188)

612/188 : 188/188

3.25 : 1

Approximately; we can say this is 3 (tall and smooth) : 1 (short and wrinkled)

Based on this ratio, which was got by Mendel for his F1 offsprings when he crossed pea plants, the parental generation has a heterozygous genotype (TtRr).

Answer:

Mouth, Small intestine, Large intestine, Rectum and blood capillaries

Explanation:

The five organs could be

A) mouth

B) small intestine: small intestine has three parts: the duodenum (attached to the stomach), the jejunum (the middle portion)

C) Large intestine

D) rectum and

E) placed capillaries and lymphatic vessels on the small intestine.

Digestion is a process in which breakdown of food molecules occurs, which provide nutrients to the body.

The organs included in the digestion of an apple are :

These are the organs which can absorb the maximum number of Calories from the apple.

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Answer:

C. 37.2 Trillion cells.

Explanation:

Answer and Explanation:

Rock is defined as the collection of one or more minerals. Granite, sedimentary rock, igneous rock, metamorphic rock and limestone are the types of rock. Granite is the most common type of rock. Granite is made up of four minerals such as hornblende, feldspar, quartz and mica. Granite breaks down to form sedimentary rocks. Igneous rock begins as magma. The lava and magma harden to form igneous rock. Metamorphic rocks are made from pressure.  Rocks are made of one or more minerals, which are cooled and melted together, cemented together, or heated and squeezed together. The mineral occurs naturally and is made of crystals. The earth’s crust is made of rocks. Most rocks are covered by soil. Soil contains the small pieces of rocks.  The two rocks have similar composition but different texture. Rocks are formed in different ways. The rocks can be changed from one form to another.

Answer:

the technological change contributed to global warming because many of the newer tecnoligical advancments have required that more products be used in ways that hurt the environment and the way their made require more products to burn and turn into smoke that contributes to the glbal warming issue.

Explanation:

As technology has advanced, a number of technological gadgets have been made available to consumers, which increase energy consumption, directly burning more fossil fuels leading to Global warming.

Global warming is defined as the gradual increase in the temperature of the Earth due to the greenhouse effect due to increased levels of carbon dioxide, CFCs and other pollutants.

The change has disturbed the climate pattern of the earth, while the concept of global warming is quite hectic but scientists have provided relevant data in support of the fact that the temperature of the earth is increasing continuously.

The causes of Global Warming are as follows:

Man-made causes:

1. Deforestation

2. Use of vehicles

3. Agriculture, etc.

Natural causes:

1.Volcanoes

2. Water vapor, etc.

Thus, as technology has advanced, a number of technological gadgets have been made available to consumers, which increase energy consumption, directly burning more fossil fuels leading to Global warming.

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Answer:

sea turtle

Explanation:

it is conected to a shell and has flippers

Answer:

1. B, D and J.

2. A and C.

3. E, F, G, H, AND I.

Explanation:

A cell can be defined as the fundamental or basic functional, structural and smallest unit of life for all living organisms. Some living organisms are unicellular while others are multicellular in nature. A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells.

A membrane is a thin layer which forms the wall of the cell and typically controls what leaves and enters the cell.

Some of the effects of various biological conditions on membrane physiology are;

1. Makes RMP (Resting Membrane Potential) Less Negative: this simply means that it decreases RMP;

2. Influences the Ability of the Cell to Repolarize;

3. Influences the Ability of the Cell to Depolarize;

Answer: In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar. The glucose gives plants energy. Plants also use glucose to make cellulose, a substance they use to grow and build cell walls.

Answer:

D

Explanation:

Answer:

Nucleic Acids

Explanation:

These molecules contain the genetic code, which has all the information necessary to build the body. The basic unit is called a nucleotide, which is composed of a sugar-phosphate backbone attached to one of four nitrogenous bases; cytosine, guanine, adenine or thymine.

Answer:

Mitochondria and chloroplasts have their own DNA

Mitochondria and chloroplasts are surrounded by two membranes

Mitochondria are about the same size as most bacteria

Explanation:

The endosymbiotic theory, also known as symbiogenesis, is a theory that explains how eukaryotic organisms have been formed from prokaryotic cells. This theory holds that eukaryotic organisms originated from prokaryotic organisms that engulfed another prokaryotic cell, creating thus an organism with multiple membranes. In consequence, eukaryotic organelles, including mitochondria and chloroplasts, would have evolved from these prokaryotic endosymbionts. Moreover, both mitochondria and chloroplasts contain their own genes which are localized in a circular chromosome, thereby supporting an endosymbiotic origin of both organelles. Finally, bacterial cells have 1 to 10 microns in length, while mitochondria have a similar size, thereby also supporting an endosymbiotic origin of this organelle.

Answer:

Less water.

Explanation:

If the plant is "drought-resistant" then that should mean less water is required for the plant to perform photosynthesis.

A. Snails and crayfish would not survive in Birch Lake at a pH of 6.2.

B. Once they die out, the walleye will disappear as well.

Answer:

The thalamus is known as the 'gateway' to the cerebral cortex, since most ascending sensory pathways relay in one of its nuclei in order to reach their cortical targets.

Answer: like a Nepenthes Alata

Explanation :The sepal is a defensive organ that encloses and protects the developing reproductive structures. At maturity, the sepal opens when the flower blooms. The outer sepal epidermis

Answer:

In lactic acid fermentation, pyruvate from glycolysis changes to lactic acid. This type of fermentation is carried out by the bacteria in yogurt, and by your own muscle cells. In alcoholic fermentation, pyruvate changes to alcohol and carbon dioxide. This type of fermentation is carried out by yeasts and some bacteria.

Answer:

becomes the  definitive endoderm

Answer: environmental engineering

Explanation:

Answer:

d

Explanation:

Answer:

Explanation:

Tiny bits of the food you ate break down into a simple sugar called glucose. In your cells, energy from the sugar is released when oxygen and glucose combine in a reaction. The reaction produces water, carbon dioxide, and energy in the form of ATP. This chemical process is happening all the time in your cells.

Answer and Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached file