What is the difference between a control variable and a constant variable

Answers

Answer 1
The difference between a controlled variable and a constant is that a constant variable does not change through the experiment and a controlled variable can change.

Related Questions

Select the correct answer.
Imagine that an exchange student from China visits your class. While your teacher discusses how the United States has a limited government, the Chinese student raises his hand and asks why the government has limited power. Which point best highlights why the US government has limited power?
A.
A limited government means citizens pay fewer taxes.
B.
A limited government helps people avoid breaking the law.
C.
A limited government protects individual freedoms.
D.
A limited government prevents businesses from being too powerful.

Answers

Answer:

Option C

Explanation:

A limited government protects individual freedoms.

Hope this helps!

Match each part of a cell with the body part that has a similar function.
Nucleus
Cell membrane
Mitochondria
Cytoplasm

Answers

Answer:

Nucleus: blood

Cell Membrane: skin layer

Mitochondria; stomach

Cytoplasm: brain like structure

I'm not really sure of my answers.

Explanation:

The function of nucleus matches with that of brain and the function of cell membrane with that of Golgi bodies. Similarly, the function mitochondria is similar with that of liver and the function of cytoplasm is similar to that of skin.

What is a cell?

Cell is the basic unit of living bodies. A cell contains a nucleus, cell membrane, lysosomes, Golgi bodies etc.

Nucleus regulates all the functions of a cell as brain do in our body. Cell membrane helps to transport ions inside the cell as Golgi bodied do.

Mitochondria provide the energy and produce the chemicals needed for all chemical processes in the cell as liver do in our body.

Therefore, nucleus and brain matches in function and cell membrane and Golgi bodies matches in function. Similarly mitochondria and liver marches as well as cytoplasm and skin matches in functions.

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Discuss three ways to sustain the carbon cycle

Answers

we can maintain the carbon cycle by

First birth medical term

Answers

Answer:

new born baby is the first medical term

Please write in your own words). The Science of Biology: Question 1: Explain how sunlight is the primary source of energy for your own life? Question 2: In terms of energy, what is the difference between glucose and ATP? Question 3: Explain the role of a hypothesis in a scientific investigation? ( Will Mark Brainliest if correct). ( Don't copy down what you find in books or websites). ​

Answers

Answer:

well sunlight is the primary source of anergy for your own life because plants use the sunlight to make food and make oxygen and humans need to breathe oxygen

How are castor seeds dispersed

Answers

Answer:

seeds can be disperse by rodent and birds, on mud adhering to boot, on vehicle and machinery, and by flood water. It is also spread by an explosive mechanisms( on local level) when the capsule dries up and splits

4. An example of a sliding joint is
A. Elbow joint
B. Neck joint
C. Knee joint
D. Wrist joint

Answers

Answer:

hello

I

guess

its

Elbow joint

What is the significance of directionality of the monomers in a polymer

Answers

Answer:

When you put the monomers together in a certain sequence/order they have different structures and functions.

Explanation:

6.
What are two characteristics of each of Earth’s four major systems?

Answers

Answer:

Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air)

Mitochondrial inheritance tends to not follow traditional heredity patterns described by Mendelian laws. A mother has a
mitochondrial condition where she produces a modified version of ATP synthase that is embedded in the inner mitochondrial
membrane. Which outcome is predicted for a mother who has four children with an unaffected father?

Answers

The outcome is predicted for a mother with a mitochondrial condition where she produces a modified version of ATP synthase that is embedded in the inner mitochondrial membrane who has four children with an unaffected father - all four offspring will have this mitochondrial condition

Mitochondrial inheritance is a type of inheritance that is caused by mitochondrial DNA.

Mitochondrial DNA is the small circular chromosome found inside mitochondria.The mitochondrial DNA, are passed exclusively from mother to offspringsa mitochondrial disease was inherited, there is a 100% chance that each child in the family will inherit a mitochondrial disease.

Thus, all four offspring will have this mitochondrial condition

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what is unique about the way a binary geothermal power plant works

Answers

Binary cycle geothermal power generation plants differ from Dry Steam and Flash Steam systems in that the water or steam from the geothermal reservoir never comes in contact with the turbine/generator units.

PLEASEEEEEE HELP A STRANGER OUT :(

Answers

Answer:

Aluminum Bromide is a ionic compound

Explanation:

https://study.com/academy/lesson/aluminum-bromide-chemical-formula-symbol-uses.html

Answer:

Ionic compound

Explanation:

Made of a metal and a nonmetal therefore it would be ionic.

what is photosynthesis ???​

Answers

Answer:

plants feed themselves by manufacturing food by absorbing light as energy

Answer:

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of suga

What cells in the body do NOT undergo mitosis as
adult cells?

Answers

Answer:

Skin cells, red blood cells or gut lining cells

Explanation:

Stem cells do divide by mitosis and this makes them very important for replacing lost or damaged specialized cells

Stage 1 sleep is characterized by a predominance of ________ wave activity in the brain.

Answers

Answer: theta

Explanation:

Stage 1 sleep is characterized by a predominance of alpha and theta wave activity in the brain.

The stage of entering the state of sleep is also called stage 1 and is considered as a boundary between the waking state and sleeping.

In this stage, the rhythm alpha predominates, which tends to slow down and show the presence of waves called theta, which are of greater amplitude.

Alpha activity is a pattern that results from a person resting and relaxing.

Theta waves are broad, low-frequency waves that would indicate a state of extreme relaxation and drowsiness.

Eye movements at this stage are slow and muscle tone drops. Phase I is short-lived and occupies about 3-5% of sleep.

Therefore, we can conclude that in stage 1 of sleep the alpha waves would be combined, with a new activity, called theta.

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What does parent material refer to?

Answers

Parent material is the geologic material from which soil horizons form. There are seven variations of parent material. Weathered Bedrock, Till, Outwash Deposit, Eolian Sand, Loess, Alluvium, and Local Overwash.

Answer:

Soil Source

Explanation:

Environmental Science - Quiz 2.2.4: Soil Composition and Structure

62 East Maple Ave.

Arlington, MA 02474

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true or false: concept that cells or organisms maintain specific internal conditions

Answers

True hope it helps :>

Answer:

A balance inside the body or cells of organisms is called homeostasis.

Explanation:

Hope this helps. God bless

pls help me solve this! (20 pts)

Answers

Answer: asuume

Explanation: i would asuume 2

Nitrogen-fixing bacteria are prokaryotic organisms that transform nitrogen gas into nitrogen compounds like ammonia and nitrates.

The graph that correctly shows the nitrogen-fixing bacteria in the soil is graph 2.

Nitrogen-fixing bacteria can be explained as:

Nitrogen-fixing bacteria are the organisms that fix the atmospheric nitrogen into the compounds of nitrogen as ammonia and nitrates.

The conversion of the atmospheric nitrogen is done in two steps, the first step involves the conversion of atmospheric nitrogen to ammonia. The second step involves the conversion of ammonium to usable nitrate.

Graph 2 represents the amount of atmospheric nitrogen decreasing with an increase in the amount of ammonia. It indicates that atmospheric nitrogen is utilized and converted into nitrogen compounds.

Thus, the correct answer is graph 2.

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What is the cell theory?

Answers

Answer:

I guess it would help you

which activity produces an action potential in nerve cells

Answers

Answer:

The action potential is an explosion of electrical activity that is created by a depolarizing current. This means that some event (a stimulus) causes the resting potential to move toward 0 mV. When the depolarization reaches about -55 mV a neuron will fire an action potential.

Explanation:

In simple terms, ethics is described as a set of decisions concerned with what is good for _________ and _________

Answers

Answer:

individuals and society

Explanation:

Ethics is concerned with what is good for individuals and society

what is the importance of biology?

Answers

Answer:

As a field of science, biology helps us understand the living world and the ways its many species (including humans) function, evolve, and interact. Advances in medicine, agriculture, biotechnology, and many other areas of biology have brought improvements in the quality of life.

define hibernation??​

Answers

Hibernation is when an animal slows its heart rate to save energy and survive the winter without eating much.

hope it helps..

Answer:

The condition or period of an animal or plant spending the winter in a dormant state

Parkinson's disease Is the disorder contagious?

Answers

It is not contagious

6. Cuál es la característica de la vida que nos permite responder a estímulos?

Answers

SE LE CONOCE COMO IRRITABILIDAD

Los seres vivos tienen la capacidad de responder a una variedad de estímulos tanto del medio exterior como del medio interno. Esta capacidad de respuesta se denomina irritabilidad, porque es diferente a otro tipo de respuestas que se observan en la naturaleza.

Ashley hypothesizes that adding coffee grounds to the soil will help the plants grow faster. She designs a controlled experiment to determine if this hypothesis is supported.She grows one group of soybean seedlings under normal conditions. She mixes three tablespoons of coffee grounds into the soil of the second group and grows the seedlings under the same light, temperature, and watering regimen. After three weeks, she measures the height of the seedlings and compares the two groups.Identify the parts of the experiment. Place only one term in each category. You will not place all the terms.

Answers

The purpose of this study is to determine the experimental group, the control group, the dependent variable, and the independent variable.

Designing and carrying out an experiment is the best approach to prove whether a hypothesis is true or incorrect. To ensure that an experiment examines exactly what the hypothesis claims, scientists must be cautious in how they construct it.

To ensure that only one factor is being altered in an experiment, the independent variables are therefore divided into two groups.

The control groupThe experimental group

The control group does not experience any changing variable.

The experimental group receives all of the experiment's circumstances, changes as well as the one variable that the experiment is testing.

In Ashley's experiment:

The experimental group:

Seedlings grown with coffee grounds.

The control group:

Seedlings grown without coffee grounds.

The dependent variable:

Seedling height

The independent variable:

Soil

Therefore, we can conclude that we understand the concept of the experiment carried out by Ashley.

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Due to the partial charges on atoms in a water molecule, ____ in water molecules are attracted to oxygen atoms in other water molecules.

Answers

Hydrogen bond in water molecules are attracted to oxygen atoms in other water molecules.

A hydrogen bond is a strong dipole-dipole attraction which occurs between:

the hydrogen atom attached to a strongly electronegative atom (for example oxygen in water molecules)another strongly electronegative atom with a lone pair of electrons

Hydrogen bonding occurs in the following compounds which include water, hydrogen fluoride and ammonia.

When an electronegative atom such as oxygen is bonded to hydrogen, a dipole develops causing the hydrogen to be partially positive while the other atom is partially negative.

Thus, this accounts for high boiling point in compounds that contains hydrogen bonds.

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Plant cells consist of

Answers

Explanation:

•Nucleus

•Plastids

•Central Vacuole.

•Golgi Apparatus

•Ribosomes

•Mitochondria

•Cell Wall

•Cell membrane

giving brainliest!!
Which represents the complimentary base pairing rule for DNA replication?

Adenine pairs with guanine and cytosine, pairs with thymine
Adenine pairs with cytosine, and guanine pairs with thymine
Guanine pairs with cytosine, and adenine pairs with thymine
Guanine pairs with uracil, and adenine pairs with cytosine

Answers

Answer:

C

Explanation:

You will need to follow Chargaff's rules.

Adenine always pairs with thymine and cytosince always pairs with guanine.

Guanine pairs with cytosine, and adenine pairs with thymine is the base pairing rule for DNA replication.

What is DNA?

DNA exists abbreviation of deoxyribonucleic acid, an organic chemical of complicated molecular structure that exists found in all prokaryotic and eukaryotic cells and numerous viruses. DNA codes genetic announcement for the transmission of inherited traits. Each strand of a DNA molecule exists comprised of a long chain of monomer nucleotide. The nucleotide of DNA consists of a deoxyribose sugar molecule to which stands connected a phosphate party and one of four nitrogenous bases.

Hence, Guanine pairs with cytosine, and adenine pairs with thymine is the base pairing rule for DNA replication.

Therefore, third option is the correct answer.

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Used to measure length

Answers

Answer:

meters

Explanation:

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