Bart thinks mice exposed to microwaves will get stronger (maybe he's been reading too much Radioactive Man). You decide to perform this experiment by placing 10 mice in a microwave for 10 seconds. He compared these 10 mice to 10 other mice that had not been exposed. His test consisted of a heavy block of wood that blocked the mouse's food. found that 8 out of 10 of the microwave mice were able to push the block. 7 out of 10 of the mice without microwaves were able to do the same.

identify
1. control group
2. independent variable
3. dependent variable
4. what are some of the mentioned control variables?
5. what should bart's conclusion be?​

Answers

Answer 1

Answer:

Control group = mice that had not been exposed

Independent variable = Mice receiving radiation

Dependent variable = Number of mice that are able to push the block of wood.

Control variables = Health of mice, mass of block

Radiation does not have effect on strength of the mice

Explanation:

In an experiment the variable which changes with respect to the other variable is called the dependent variable and the other variable is called the independent variable.

The control group is the group that does not receive treatment which is used to compare the effect of the treatment.

The control variable is another variable that must be held constant when performing the experiment.

Here the

Control group = mice that had not been exposed

Independent variable = Mice receiving radiation

Dependent variable = Number of mice that are able to push the block of wood.

Control variables = Health of mice, mass of block

It was found that 8 out of 10 of the microwave mice were able to push the block. 7 out of 10 of the mice without microwaves were able to do the same. This means that there was no significant difference hence, the conclusion drawn should be that radiation does not have any effect on their strength.


Related Questions

please help im stuck on this its science

Answers

Answer:

Conduction is the word you need

Explanation:

condaction or convection

What can be found in prokaryotic cells?

Select all that apply.

A. DNA

B. nucleus

C. ribosomes

D. plasmids

I think all of the above but I am not quite sure... this question popped up on my unit test and I wanted to ask to make sure.

Answers

Answer:

ribosomes and DNA i never heard of the last one

Explanation:

edgeunity 2020 unit test

Which is a sequence of actions that a system undergoes?


goals

feedback

process

inputs

Answers

Answer:

C, process.

Explanation:

A process is a sequence of actions that a technological system undergoes to produce an output.

Explain what information about populations cannot be gathered when looking solely at population pyramid data.

Answers

Answer:

Hi there, so the population pyramid visualizes two variables which are sex and age but it doesn't tell us the actual number of population within a region it only collects the sex (female and males) and the ages (ranging from infant to elderly).

So the only thing that population pyramid data can't collect is the actual population in number.

Hope this helped :)  

The population pyramid, therefore, depicts the two factors of sex and age, but it is silent on the region's actual population size instead, it simply gathers data on ages and sex (females and men) (ranging from infant to elderly).

What is the population?

As a result, the only thing the population pyramid data cannot measure is the size of the population.

Population pyramids do have certain restrictions, though. It is typically impossible to tell the relative contributions of various demographic processes on population age structure since they simply provide the size of each age-sex group in the population.

Therefore, depicts the two factors of sex and age, but it is silent on the region's actual population size instead, it simply gathers data on ages and sex.

Learn more about the population, here:

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the passive transport of water molecules across a membrane is called .....​

Answers

Answer:osmosis

Explanation:

Answer:

Water, carbon dioxide, and oxygen.

Explanation:

Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.

Which of the following statements is true of the cell membrane?
1. it controls what molecules enter and exit the cell
II. it contains protein channels that help move molecules in and out
III. it surrounds all plant cells
o I only
o ll only
o III only
ol & ll only
o I & III only
O I, II, & III
Next
1 2 3 4 5 6 7 8 9 10

Answers

Answer:

1, 2, & 3

Explanation:

The cell membrane controls what enters and exits the cell and thus protects the cell.

Water molecules and ions move through channel proteins. Other ions or molecules are also carried across the cell membrane by carrier proteins.

Cell membranes surround all animal, plant, and bacterial cells.

I NEED HELP WITH MY WORK PLZ HELP ME!!!!!! :'(

Answers

What’s ur question sir

As CO2 concentration increases in this graph, how is average global temperature affected?

Answers

Answer:

increases as well

Explanation:

carbon dioxide and other greenhouse gases contribute to the effects of global warming

How many amino acids does this protein segment contain?

Answers

Answer:  the given protein segment contains 20 amino acids

The given segment of the polypeptide chain is made up of four different types of amino acids, and each amino acid is connected to each other by the peptide bond, and the chain elongates from the N terminal to the C terminal.

What is the significance of amino acids?

There are 20 different standard amino acids that take part in polypeptide chain synthesis, and those are categorized into some particular types such as hydrophobic amino acids, hydrophilic amino acids, charged and uncharged amino acids, etc., and different compositions of the amino acids make different types of proteins. The polypeptide chain is generally synthesized from the N terminal to the C terminal, and here in the given diagram, there are four amino acids, and each amino acid has an amino group, a carboxylic group, a hydrogen group, and one side chain bonded to a single central carbon atom.

Hence, the given segment of the polypeptide chain is made up of four different types of amino acids.

Learn more about the amino acid here.

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3. What is the original source of energy for all fossil fuels?

hydrocarbons

photosynthesis

the Sun

cosmic radioactivity

Answers

Answer:

the sun

Explanation:

All the energy in oil, gas, and coal originally came from the sun, captured through photosynthesis. In the same way that we burn wood to release energy that trees capture from the sun, we burn fossil fuels to release the energy that ancient plants captured from the sun.

hope this helps

The sun. The sun is a constant form of energy giving us light and heat

Which has the lowest albedo?
A. An icy lake
O B. A white sidewalk
O C. A blacktop highway
O D. A pond

Answers

Answer: a blacktop highway

Answer:

Explanation:

Blacktop highway

4 How many genetically different kinds of gametes an individual with genotype Aabb can
produce?
a)1
b)2
c) 4
d) 8​

Answers

Answer:

I believe the answer is C.) 4

Help me plsss!!!!!!!

Answers

Answer:

Yes

Explanation:

The earth revolve around the sun at a constant speed of 67,000 mi/hr because if it is not, we will feel the earth moving.

Answer: I think it's yes

(I'm so sorry if it's wrong)

Hope this Helps!

A person who is believed to speak for god​

Answers

Answer:

IM SO SORRY IF  IM WRONG but i think the answer is prophets or Moses.

Explanation:

Answer:

priest

Explanation:

the reasons for this is because when you go to church the priest is the one that talks about what the Bible and talk about what god wants for us

What are the characteristics of air masses?

Answers

Answer:

Air masses have fairly uniform temperature and moisture content in horizontal direction (but not uniform in vertical). Air masses are characterized by their temperature and humidity properties. The properties of air masses are determined by the the underlying surface properties where they originate.

Explanation:

DNA is duplicated during a process called

Answers

Answer:

DNA replication

Explanation:

In your own words, describe what terrace farming is and explain how terrace farming benefited the Ancient Chinese.

Answers

Answer:

Terrace farming is a method of farming whereby “steps” known as terraces are built onto the slopes of hills and mountains. When it rains, instead of rain carrying away the soil nutrients and plants down the slope, they flow to the next terrace

Explanation:

hope this helped :)

Which is the simplified form of x-12?
A.x12
B.– x12
C.1
12
D.1
+12

Answers

1/x^12 (c) hope this helps:)

The simplified form of [tex]X^{-12}[/tex] would be [tex]\frac{1}{X^{12}}[/tex]

Law of Indices

According to one of the laws of indices:

[tex]X^{-1}[/tex] is the same thing as [tex]\frac{1}{X}[/tex]

Following this rule,  [tex]X^{-12}[/tex] with thus be  [tex]\frac{1}{X^{12}}[/tex]

More on laws of indices can be found here: https://brainly.com/question/15339224

ill give you a brainliest if it is right

Answers

Answer:

half

Explanation:

please mark as brainllest !!!!!!!!!!

囧   ↖(^ω^)↗  (○’ω’○)  ::>_<::

The proper function of the stomates on the leaf (and therefore, the function of water and CO2 movement) is influenced most by which element

Answers

Answer:

Sunlight.

Explanation:

Sunlight is responsible for proper functioning of stomata present on the leaves because the stomata only opens when there is sunlight and when the stomata opens, carbondioxide gas is absorbed by the leaves from the air while the water is taken from the roots which combines together to form glucose and oxygen. Glucose is stored in different parts of the plant while some oxygen is used by the plants in the process of respiration while the remaining oxygen is released in the atmosphere through stomata.

This system provides energy from food
A. Circulatory
B. Endocrine
C. Digestive
D. Lymphatic ​

Answers

Answer:

c

Explanation:

Carbohydrates, proteins, and lipids provide this energy. Chemical bonds in molecules of these nutrients contain energy. When the bonds are broken during digestion to form simpler molecules, the energy is released.

Amino Acids contain which element? *
Nitrogen
Helium
Zinc
Sodium

Answers

it contains 4 key elements carbon, hydrogen, oxygen and Nitrogen. so your answer is nitrogen

The sperm and the ovum are called haploid (as they have only 23 chromosomes) which is half the number of chromosomes seen in all the other human body cells. What is the significance behind the maintenance of this special chromosomal number in the male and female gametes?

Answers

Answer:

During the process of meiosis(The process of cell division through which the germ cells such as the reproductive cells are formed), the sex cells produced are haploids (have only 23 chromosomes). This is significant as during the process of fertilization, the nucleus of the sperm (containing 23 chromosomes) and the nucleus of an egg (containing 23 chromosomes too) fuse, hence, retaining the original number of chromosomes in the zygote formed. i.e 46 chromosomes.

Given reason the base of a building is made wider​

Answers

Answer:

here

Explanation:

to make it stable and not fall :)

what dose the nucleus control ​

Answers

Answer:

the nucleus controls and regulates the activities of the cell (growth and metabolism) and carries the genes, structures that contain the hereditary information.

Answer:The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. Nucleoli are small bodies often seen within the nucleus. The gel-like matrix in which the nuclear components are suspended is the nucleoplasm.

Great amount of electromagnetic energy from sun and other bodies in space travel through space. Which is a logical conclusion about electromagnetic waves

Energy must be very low

Frequency must be very low

Their wavelength must be very short

these wave can travel without the medium

Answers

Answer:

last option- these waves can travel without the medium

True or false identify if it is false: wetlands flood peoples homes and also filled with freshwater thats good for the aquatic life in the water.

Answers

False .......................................

3 paragraph essay on the natural selection process

Answers

Answer:

                       

Explanation:

 

43 POINTS!! SEND HELP ASAP ILL GIVE THE CROWN JUST HELP IM BEING TIMED

Consider the diagram.
Which process is represented?
A.) deletion
B.) nondisjunction
C.) translocation
D.) insertion

Answers

Answer:

C

Explanation:

1. Which compound contains three elements?

Answers

Answer:

B

Explanation:

Chloride-Hydrogen-Oxygen

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