When justin was injured in a car accident, he lost consciousness for 10 minutes. he had sustained numerous lacerations, a right femoral contusion, and, most importantly, had a large open wound on his head. when he arrived at the emergency room, the attending physician immediately ordered which neuroimaging technique to rule out any damage to the soft tissue of the brain?

The scientific process consists of three main parts: observation, experimentation, and scientific reasoning.

Option (c) is correct.

Observation involves gathering information about a phenomenon or a problem through the senses or using instruments. It is the first step in the scientific process and provides the foundation for further investigation.

Experimentation involves designing and conducting controlled experiments to test hypotheses or theories. Through carefully planned experiments, scientists manipulate variables and collect data to analyze and draw conclusions.

Scientific reasoning is the process of analyzing data, evaluating evidence, and drawing logical conclusions based on the results of experiments. It involves critical thinking, interpreting data, and identifying patterns or relationships.

The scientific process is an iterative and ongoing cycle. After drawing conclusions, scientists often refine their hypotheses and design new experiments to further investigate the topic or expand knowledge in the field.

While options a), b), and d) touch upon aspects of the scientific process, option c) provides a more comprehensive and accurate representation of the main components involved in scientific inquiry.

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Answer:

the answer is D

Explanation:

i did the quize on this

It has been associated with later crawling but not with later walking. The reality is that any baby who is a healthy child should be put to sleep on his/her back rather than on their stomach or sides by their mothers or whosoever takes care of them. This practice is really useful to lessen the dangers of sudden infant death syndrome.

Water's high specific heat stabilizes temperature, vital for organisms' survival, regulates body temperature, and influences climate patterns.

Water's high specific heat, defined as the amount of heat required to raise the temperature of one gram of a substance by one degree Celsius, is crucial for life on Earth. This property enables water to absorb and store large amounts of heat energy with minimal temperature change, thereby moderating temperature fluctuations in the environment and providing thermal stability.

In biological systems, this thermal stability is essential for maintaining relatively constant internal temperatures, which is vital for the proper functioning of organisms.

For example, in humans, water's high specific heat helps regulate body temperature, preventing rapid overheating or cooling. Additionally, aquatic ecosystems benefit from water's ability to absorb and retain heat, maintaining relatively stable temperatures in rivers, lakes, and oceans, which is crucial for the survival of aquatic organisms.

Moreover, water's high specific heat also plays a role in climate regulation on a global scale. The oceans act as heat reservoirs, absorbing excess heat from the atmosphere during the day and releasing it at night, thereby influencing weather patterns and climate conditions. Overall, water's high specific heat is a fundamental property that contributes to the suitability of Earth for life as we know it.

Answer: 35 grams

Explanation:

Prior knowledge allows you to make a well-informed hypotheses and better-planned experiment. However, you do not want prior knowledge to bias your experiments in any way.

In pond water organisms like Paramecium, water pumps expel excess water from the cell to maintain osmoregulation. These pumps' action might reverse in hypertonic conditions, where the external salt concentration is higher than inside the cell. As a result, the cell might start absorbing water instead of expelling it to prevent dehydration.

Organisms living in pond water, such as Paramecium, contain water pumps known as contractile vacuoles. These pumps typically work to expel excess water from the cell, maintaining a balance known as osmoregulation. However, there are scenarios where this action might be reversed, such as a sudden increase in the salt concentration outside the cell. This would create a hypertonic condition.

In hypertonic conditions, the concentration of solutes is higher outside the cell than inside. Therefore, water inside the cell would move out to balance the solute concentrations, and the cell may start taking in water instead of expelling it to prevent dehydration and maintain its structural integrity.

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Answer:

The correct answer will be -

1.  Independent variable - the number of seeds

2. Dependent variable - growth of the plant

3. Controlled variables - amount of soil

4. Hypothesis - plant growth is directly proportional to the provided space.

Explanation:

In a scientific experiment, the variables could be categorized as dependent variables(to be studied),  independent variables (can be manipulated) and constant (kept constant).

A scientific hypothesis is the prediction or an idea based on the previous work and observations which could be tested to answer the question.

In the given question, the variables to be tested is growth of the plants while the variables which can be manipulated is the number of seeds. The variable kept constant is the amount of soil added to the cups and the hypothesis will be the plant growth is directly proportional to the provided space.

The single celled protists which is one of the example of this is the paramecia survives and lives on extreme hypotonic environment. They have the ability of having to contract their vacuoles in which this contributes and help them to live and survive in a hypotonic environment.

Scientific Investigation can be tested, measured by asking in questions format.

For example -  Do hand sanitizers decrease a person’s risk of a bacterial infection?

Science is more about practicing and conducting than knowing to gain and learn the actual aspect of the world.

This learning can be achieved through Scientific Investigation .

A scientific investigation is a plan for asking questions and testing possible answers in order to advance scientific knowledge. The purpose of Scientific Investigation is testing ideas with evidence.

Real science is nonlinear, iterative (repetitive), creative, unpredictable, Scientists often undertake the steps of an investigation in a different sequence, or they repeat the same steps many times as they gain more information and develop new ideas.

Scientific investigations often raise new questions as old ones are answered and Successive investigations may address the same questions but at ever-deeper levels.

Alternatively, an investigation might lead to an unexpected observation that sparks a new question and takes the research in a completely different direction.

Steps involved in Scientific Investigation are:

- Step 1 - Make Observation

- Step 2 - Ask a question

- Step 3 - Forming hypothesis

- Step 4 - Making prediction based on hypothesis

- Step 5 - Do an experiment to test the prediction

- Step 6 - Analyze the result

- Step 7- Hypothesis is either Correct or Incorrect

- Step 8 - Final result based on Hypothesis

- Step 9- Try again if the given hypothesis is incorrect from Step 4.

Making Observation:

Scientific investigation typically begins with observations that is detected through human senses or with instruments and measuring devices that enhance human senses and also with our sense of touch, smell, taste, or hearing.

In addition, we can extend and improve our own senses with instruments such as thermometers and microscopes.

Hypothesis Formation:

A hypothesis is a possible answer to a scientific question based on scientific knowledge.  A hypothesis also must be logical, and it is beneficial if the hypothesis is relatively simple. In addition, to be useful in science, a hypothesis must be testable and falsifiable.

A hypothesis is often expressed in the form of prediction.

Hypothesis Testing:

Hypothesis testing is at the heart of a scientific investigation. Data are essentially just observations which  may be measurements in an experiment or just something the researcher notices.

A hypothesis is supported if the actual observations (data) match the expected observations. A hypothesis is refuted if the actual observations differ from the expected observations.

Analyzing the Data:

The data scientists gather raw data which are the actual measurements or other observations that are made in an investigation. Raw data usually must be analyzed and interpreted before they become evidence to test a hypothesis.

To make sense of raw data and decide whether they support a hypothesis, scientists generally use statistics.

Drawing Conclusion:

A hypothesis can never be proven conclusively to be true. Scientists can never examine all of the possible evidence, and someday evidence might be found that disproves the hypothesis.

In addition, other hypotheses, as yet unformed, may be supported by the same evidence.

The more evidence that supports a hypothesis, the more likely the hypothesis is to be correct.

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Answer:

Selective breeding or artificial selection

Explanation:

Well, in this case humans are deciding to perpetrate a feature, in this case meat quality.

In nature, the so called natural selection ''chooses'' the survival of certain phenotypes which selects the fittest organisms. In the case of selective breeding, it's the humas who selects a particular phenotype.