1. Identify the following elements of hypothesis-based science in this example: (a) question, (b) hypothesis, (c) prediction, (d) control group, and (e) experimental group. (For additional information about hypothesis-based science, see Chapter 1 and the Scientific Skills Review in Appendix F.) 2. Explain how the types of data the researchers chose to collect enabled them to test their prediction. 3. What conclusion do you draw from the data presented above? 4. (a) Predict what would happen if, after 22 months, guppies from the transplanted population were returned to the source pool. (b) Describe an experiment to test your prediction.

Secondary treatment removing nitrogen and phosphorous will best prevent likelihood of eutrophication.

This is defined as  a gradual increase in the concentration of phosphorus, nitrogen, and other plant nutrients in an aging aquatic ecosystem.

These nutrients are organic which is what Secondary treatment deals with which was why option A was chosen as the most appropriate choice.

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The four spores generated following meiosis in a yeast or other Ascomycota, Chlamydomonas or another alga, or a plant are known as the tetrad. Diploids are produced when parent haploids mate. Diploids sporulate and go through meiosis when the conditions are right.

Answer:

Architecture and the overall ability to be good as a community. That's how I see continents positively growing today.

Architecture means designing and building things.

Pronounce:

Arc-e-tex-ture

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Explanation: hope this helps!

Answer:

Explanation:

the relations of these three

Protoplasm refers to the living contents of cell and consists of cytoplasm and a nucleus. Cytoplasm refer to the matrix present outside the nucleus in which all the cell organelles are found embedded. The nucleoplasm/karyoplasm refer to the matrix present inside the nucleus only.

Answer:

More mold on the moist slice

Explanation:

Assuming that the trend continues, then after another 3 days, a higher percentage (more than the original 50%) of mold will be found on the moist slice, while the dry slice may either be unaffected or may develop very little mold.

Characteristics such as the use of contrasting colors are part of the fauvist style in Madame Matisse's portrait.

Fauvism was an artistic movement that focused on the use of contrasting strong colors rather than realistic representations.

This portrait shows a black-haired woman. In this portrait, the painter Henri Matisse used contrasting colors in the face and background, which is part of this style.

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Answer:

True.

Explanation:

The chloroplasts' function is to take energy to perform photosynthesis. That is why there are no chloroplasts in animal cells.

Answer:

True

Explanation:

Photosynthesis is a process by which phototrophs convert light energy into chemical energy, which is later used to fuel cellular activities. The chemical energy is stored in the form of sugars, which are created from water and carbon dioxide.

In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll. Chloroplasts are surrounded by a double membrane and contain a third inner membrane, called the thylakoid membrane, that forms long folds within the organelle.

Answer:

Due to continuous global warming, the oceans tend to gain more heat, and hence the temperature rises. In the current century, the heated conditions of the oceans can be threatful for the human population. Also, the increase in the sea levels will have serious consequences on the health of mankind and their quality of life.

Explanation:

As the overabundance heat and energy warms the ocean, the temperature change causes unprecedented cascading effects such as ice melting, sea-level rise, marine increased temperatures, and ocean acidification.

The massive quantity of carbon dioxide absorbed by the ocean dissolves as carbonic acid in seawater.

This is known as ocean acidification, and it is literally causing a sea change that is threatening the basic chemical balance of ocean and coastal waters from pole to pole.

Changing ocean chemistry, according to laboratory studies, will

As the ocean warms due to an abundance of heat and energy, the temperature change causes unprecedented cascading effects such as ice melting, sea-level rise, increased marine temperatures, and ocean acidification.

Thus, the human population can be widely affected as a result of impacts of climate changes.

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Answer:

The answer would be A. The claims are based on empirical evidence and are likely to be pseudoscientific. They are not particularly useful

Explanation:

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The claims are based on empirical evidence and are likely to be pseudoscientific. They are not particularly useful. Therefore, option A is correct.

A statement, discovery or explanatory system that is presented as pseudoscience lacks the objectivity required by the scientific process. Research that is based on dubious ideas, a defective experimental design, or unreliable data can also lead to pseudoscience.

Pseudoscience may be presented in good faith due to incomplete or inaccurate data analysis. However, it is also possible to deliberately apply scientific methods incorrectly in order to instill unjustified confidence in conclusions that would not be supported by a more rigorous approach.

These claims are pseudoscientific. Hence, option A is correct.

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Answer:

forward in one direction

Coal fired plants produce electricity by burning coal in a boiler to produce steam. The steam produced, under tremendous pressure, flows into a turbine, which spins a generator to create electricity. The steam is then cooled, condensed back into water and returned to the boiler to start the process over.

Answer:

Crust

Explanation:

Soil is found on the outermost layer of the Earth, or the crust. The crust is made up of dead plant and animal matter, clay, rocks, sand, water, and other nitrogen and carbon rich compounds that help aid the microorganisms which thrive with in it. The matter found within the soil differs depending on it's location, but all of it can be found on the crust.

Answer:

dont you mean atom? and i have ur answer :)

Explanation:

Bohr’s atomic model

Answer:

Accidents can occur in meiosis wherein members of a chromosome pair fail to separate at anaphase. This is called nondisjunction.

Explanation:

Answer:

Nondisjunction

Explanation:

Nondisjunction occurs when homologous chromosomes or sister chromatids fail to separate during mitosis or meiosis. This leads to daughter cells with unequal amounts of DNA. In fetuses in particular, this type of accident can have extreme consequences, such as the birth of a child with Down's Syndrome or a premature death.

Answer: They provide oxigen to the human society

Explanation:Once they have water and carbon dioxide, they can use energy from sunlight to make their food. The leftovers from making the plant food is another gas called oxygen. This oxygen is released from the leaves into the air.

Answer:

Explanation:

Scientists classify living things in order to organize and make sense of the incredible diversity of life. Modern scientists base their classifications mainly on molecular similarities. They group together organisms that have similar proteins and DNA.

Answer: Salt is considered to be made of one type of matter because it is a pure substance.

Explanation:

Answer:

there are two stages of photosynthesis which is the light and dark reaction stage. In the light reaction stage light from the sun is absorbed by the chlorophyll pigments and also split water molecules through a process called photolysis, in this stage light energy is transferred to chemical energy of ATP (adenosine triphosphate) and make reduced NADP (nicotinamide adenosine dinucleotide triphosphate). This stage justifies the second law of thermodynamics which states that the process of energy transformation cannot occur spontaneously unless there is a breakdown of energy from a concentrated form into a dispersed form.

The bacteria's population growing at the fastest rate when environmental conditions are suitable.

The bacteria's population growing at the fastest rate when all the conditions such as temperature, food availability and other factors are present in normal condition. If not then the population grows slowly so we can conclude that the bacteria's population growing at the fastest rate when environmental conditions are suitable.

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Answer:

D. Mass

Explanation:

Mass is not a state of matter, unlike the other items listed. Mass is a body of matter or how much matter is in an object.

Answer:

F is mitochondria, A is nucleus

Explanation:

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Answer/ Explanation:

The respiratory system works to humidify incoming air, thereby causing the air present in the alveoli to have a greater amount of water vapor than atmospheric air. Alveolar air contains a greater amount of carbon dioxide and less oxygen than atmospheric air.

Alveolar air is partially replaced by atmospheric air during each breath

Oxygen is constantly absorbed into the blood from alveoli

Carbon dioxide is diffused into alveoli from blood

As air enters respiratory passages it becomes humidified diluting the inspired gases' partial pressures

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Definitions:

Atomic Mass- mass of an atom. The atomic mass is approximately equal to total number of protons and neutrons.

Atomic number- Number of protons in the nucleus of an atom.

Element- a pure substance that can't be broken down by chemical means.

Table:

Hydrogen/1.008/1/1

Strontium/87.62/38/38

Palladium/106.42/46/46

Fluorine/18.998403163/9/9

Answer:What are the difference between prokaryotic and eukaryotic cells? Eukaryotic cells have membrane-bound organelles with a nucleus, and are large, while prokaryotic cells are small and do not have membrane-bound organelles. eukaryotic cells can also reproduce asexually by mitosis, while prokaryotic cells cannot.

Explanation:hope this helps and happy halloween

Prokaryotic cells do not have a membrane-bounded nucleus, but eukaryotic cells do not have such a nucleus'.

Eukaryotic cells contain membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. Differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA.

Thus, Prokaryotic cells do not have a membrane-bounded nucleus, but eukaryotic cells do not have such a nucleus'.

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Answer:

I think it's B (I'm sorry if I'm incorrect)

Explanation:

RNA and DNA differ in three main ways: RNA is single-stranded, while DNA is double-stranded. Uracil is in RNA, while thymine is in DNA. RNA contains the sugar ribose, while DNA contains the sugar deoxyribose.

One difference between the structure of DNA and RNA is DNA is a double helix and RNA is a single helix. The correct option is B.

DNA and RNA, both are the genetic material, both are made up of protein and both structure is spiral.

The major difference in DNA and RNA is DNA is double-helical and RNA is single helical. DNA is found in all animals and plants, but RNA is present in bacteria.

Thus, the correct option is B. DNA is a double helix and RNA is a single helix

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Answer:

It can replicate itself

Explanation:

A characteristic of DNA molecule that is not characteristic of a protein molecule is that the DNA molecule can replicate itself

Answer:

The tree is the autotroph.

Explanation:

First, let's define what autotrophs are.

Autotrophs are organisms that make their own food, not relying on other organisms to eat.

Now let's explain why trees are the answer.

Trees use photosynthesis to make their own foods in the form of glucose (or sugar). The plant then uses these to sustain themselves. This process makes them an autotroph.

Answer:

Pretty sure its a tree, an autotroph is an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide. which would be a tree