20 POINTS! Why is it important to use a controlled experiment?
A. So you can study many variables at once
B. So you can be certain of the link between the variables
C. So you do not need to have a manipulated variable
D. So you do not have to control the variables
Answers
you have to know what youre doing
B. So you can be certain of the link between the variables
that’s the answer
Related Questions
Who is Vandana Shiva
Answers
Vandana Shiva is an Indian scholar, environmental activist, and author known for her work in the field of environmental sustainability, biodiversity conservation, and social justice. She was born on November 5, 1952, in Dehradun, India. Shiva has a background in physics and earned her Ph.D. in philosophy from the University of Western Ontario, Canada.
Shiva is a prominent advocate for sustainable agriculture, seed sovereignty, and the rights of small-scale farmers. She is known for her opposition to genetically modified organisms (GMOs) and the negative impacts of industrial agriculture on the environment and local communities. Shiva has been involved in grassroots movements and organizations, including Navdanya, which promotes seed conservation and organic farming practices.
Vandana Shiva has authored numerous books, including "Staying Alive: Women, Ecology, and Development," "Earth Democracy: Justice, Sustainability, and Peace," and "Making Peace with the Earth." She has received several awards for her work, including the Right Livelihood Award (Alternative Nobel Prize) in 1993. Shiva continues to be actively involved in raising awareness about sustainable agriculture, biodiversity, and social justice issues on a global scale.
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♥️ \(\large{\textcolor{red}{\underline{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)
The particles of an object move _________ when the temperature increases
A. In circles
B. Slower
C. Backwards
D. Faster
Please Help ASAP
Answers
Answer:
D: Faster
Explanation:
Hope it helped
Answer:
D. Faster.
Explanation:
As the temperature increases the particles of an object move faster due to heat making molecules move faster. Its a simple scientific rule. Hope this helped.
PLEASE HELPME OUT I WILL GIVE BRAINLIESTUOSDFODH
Answers
Answer:
Manta ray and trigger fish
Explanation:
Both of these are feeding on primary consumers, which are consuming plants (the producers).
The first step after birth is ___________
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Answer:
Immediate newborn assessments include weight, length, and medicines, to make sure that the baby is healthy and stable.
Answer:
First you check the weight of the baby to make sure its healthy.
Explanation:
Mesopotamia means “the land between the rivers” in Greek.
Please select the best answer from the choices provided
T
F
Answers
explanation: so it’s true because when the true true and then the true, it’s true.
Write a description or a reason why you are doing this activities of conserving our natural resources.
1. Using a glass when brushing teeth -
2. Hanging clothes -
3. Walking -
4. Feeding the stray animals -
5. Using back page of paper -
6. Using fan -
7. Watering the plants -
8. Sweeping -
Answers
1. Using a glass when brushing teeth: By using a glass instead of leaving the tap running while brushing our teeth, we can conserve water. Freshwater is a finite resource, and reducing unnecessary water usage is essential for preserving our water supplies and ensuring their availability for both humans and the natural environment.
2. Hanging clothes: Opting to hang clothes to dry instead of using a dryer not only saves energy but also reduces greenhouse gas emissions. Clothes dryers consume a significant amount of electricity, and by utilizing natural methods like hanging clothes, we can contribute to reducing our energy consumption and lowering our carbon footprint.
3. Walking: Walking instead of using vehicles for short-distance travel offers multiple benefits. Firstly, it helps reduce air pollution by decreasing the emission of harmful gases from vehicles. Secondly, walking promotes personal health and well-being, as it is a form of physical exercise. Lastly, choosing to walk reduces traffic congestion and saves fuel.
4. Feeding stray animals: Feeding stray animals is an act of compassion and kindness. By providing food for stray animals, we help prevent their starvation and promote their overall welfare. It also reduces their need to hunt for food in natural habitats, preserving the delicate balance of local ecosystems.
5. Using the back page of paper: Utilizing both sides of a piece of paper helps reduce paper waste and conserves valuable forest resources. Paper production involves cutting down trees, and by maximizing the use of each sheet, we minimize the number of trees required to produce paper products.
6. Using a fan: Using a fan instead of an air conditioner helps reduce energy consumption and lowers greenhouse gas emissions. Air conditioners consume a significant amount of electricity, and by using fans to circulate air and provide cooling, we can contribute to conserving energy resources and mitigating the impact of climate change.
7. Watering the plants: Watering plants is essential for their growth and well-being. By providing them with adequate water, we support their ability to photosynthesize, produce oxygen, and contribute to a healthy ecosystem. Additionally, practicing responsible watering techniques, such as using watering cans instead of hoses, helps conserve water resources.
8. Sweeping: Sweeping instead of using a leaf blower or a hose to clean outdoor spaces reduces energy and water consumption. Leaf blowers and hoses consume significant amounts of electricity and water, respectively. Sweeping not only saves resources but also minimizes noise pollution and prevents soil erosion caused by high-pressure water flow.
Engaging in these activities of conserving natural resources demonstrates our commitment to environmental stewardship and sustainable living. By making conscious choices in our daily lives, we can contribute to the preservation and protection of the Earth's ecosystems for the benefit of current and future generations.
MAKE ME BRAINIST
Which trophic level is always a necessity in an energy pyramid or food chain?
a) primary consumer
b) producer
c) tertiary consumer
d) secondary consumer
I NEED THIS IN 5 MINUTES!!!!
Answers
Answer: primary
Explanation: there is alowayss a primary consumer
Which of the following is the best definition of an atom?
A. A particle within the nucleus that has a neutral charge
B. The fundamental unit of all matter, both living and nonliving
C. A positively charged particle within the nucleus
D. A negatively charged particle that circles the nucleus
Answers
Answer:
B. The fundamental unit of all matter, both living and nonliving
Explanation:
Hope this helps!
"write me an essay or make a small powerpoint about a company called 4Ocean. They deal with removing plastic waste from oceans. Make the essay about 150 words or the powerpoint about 4 slides. It should include who founded the company, why they founded the company and what successes they have had with the work they do. You need only use their site as reference information." https://www.4ocean.com/
PLSS HELPP
Answers
Please Answer FAST ASAP
Type your response in the box. Do you think humans go through a simple life cycle? Explain your reasoning.
Exact Answer From Edmentum Plsss
Answers
Answer:
No
Explanation:
The human body constantly develops and changes throughout the human life cycle, and food provides the fuel for those changes. The major stages of the human lifecycle include pregnancy, infancy, the toddler years, childhood, puberty, older adolescence, adulthood, middle age, and the senior years. Hope this helps you! Have a great day to whoever reads this!
In Sparta, from life to death, it was considered a "cruel life why?
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giving brain liest for whoever completes all of them !
Answers
Answer:
Yes
Explanation:
Chapter 3 light waves quiz
Question 1:
Which is the correct wave choice for light
source B?
How do you know?
Question 2:
Use diagram 2 on the left to answer the
questions below. a) Did Object 1 absorb energy from
the light? Explain your answer.
b) Did Object 2 absorb energy from
the light? Explain your answer.
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Answer:
that’s a hard question
Explanation:
Why are reflexes important?
Answers
Answer: It is important that reflexes occur without the need for thinking about them because there are things that happen to your body and forces acting in your body when you move that need to be responded to very quickly. Reflexes allow your body to react in ways that help you to be safe, to stand upright, and to be active.
May I please have brainliest?
HELPPPPPPPPPPPPPPPPP PLS
Answers
Answer:
Explanation:
with what
Answer:
do you need help mentally or physically
Explanation:
We know our sun is/has
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If the number of pythons increases, then the population size of marsh rabbits will (Choose 1: increase/decrease)_______________.
Answers
The grains in sedimentary rocks are often ______________ during erosion
Answers
Answer: Droped
Explanation: Weathering breaks it, Erosion takes it, Depiction drops it
Answer: sediments
Explanation:
I´ll give brainliest to the correct and most helpful answer!
Answers
i needddddddddddddddddd help pls !!
Answers
Answer: 1. newton's second law states that the acceleration of an object is directly related to the net force and inversely related to its mass. The acceleration of an object depends on two things, force, and mass.
2.The greater the mass of an object, the less it will accelerate when a given force is applied
3. 40kg cause its more lighter then the 400kg cause the 400kg is heaver then 40kg
Explanation:
i hope this helped you
Answer:
Explanation:
we know by newton's second law of motion that
F=ma
where F is force
m is mass
and a is acceleration
Can someone help me with this question?
"A student records the amount of time it takes mice to run through a maze "
( there is a photo of the A-D answers )
This is science but I put biology because I can't seem to find a science button, Thanks!
Answers
What are the biological levels of organisms? (Explain each one)
Biological Levels of Organisms:
Cells
Tissues
Organs
Organ Systems
Organism
Videos:
1. Watch the videos and answer the closing question.
2. Submit the closing question.
3. Finish anything from the last 5 weeks that you have not finished.
Answers
Answer:
1: Cells
2: Tissues
3: Organs
4: Organ Systems
5: Organisms
Explanation:
1: A Cell is the basic unit of life. Some people refer to it as "building blocks of life."
2: Tissues are groups of cells that work together to achieve a certain task.
3: Organs are groups of tissue that work to make the vital parts of the body
4: Organ Systems are groups of organs that work together to provide for body function. EX: Respiratory System, Circulatory System, Digestive, etc.
5: Organisms are any living thing that have many organ systems that work together. EX: Humans.
Tissues
Organs
Organ systems
Organism
Cells make up tissues, tissues make up organs, organs make up an organ system an organ system makes up an organism. hoped this help. :)
stion 6/48which would be the best evidence that a cell is using active transport to move a substance across its cell
membrane?
A) Substances are moving rapidly across the cell membrane.
B) ATP is being rapidly consumed near the cellular membrane.
C) Substances are moving from high to low concentrations.
D) Substances are moving through channels in the cell membrane.
Answers
Answer:
B) ATP is being rapidly consumed near the cellular membrane.
Explanation:
Active transport is a form of transport used by living systems in which substances/molecules move across a membrane from a region where they are less concentrated to a region where they are highly concentrated. This movement occurs against the concentration gradient, hence it requires energy in form of ATP in order to occur. The transport is said to be "ACTIVE" if it is energy consuming.
Hence, based on the explanation above, the best evidence to showcase the occurrence of active transport in a cell is the rapid consumption of ATP near the cellular membrane. ATP will be used to pump needed substances into the cell via the cell membrane, serving as the semi-permeable membrane.
Matter continuously cycles between the living and nonliving parts of an ecosystem. The flow of energy drives the cycling of matter through ecosystems.
The water, carbon, and nitrogen cycles share patterns in the flow of matter and energy through ecosystems. Describe two different patterns that can be observed in all three cycles.
NEEEEEEDDD THE ANSWER PLSSSSSSSS NOWWWWW
Answers
death and feeding process
Water, carbon and nitrogen cycles are biogeochemical cycles that exist in the biosphere to maintain a balance in the flow of energy and matter.
What patterns are observed in the cycles?There are three major biogeochemical cycles - water, nitrogen and carbon - that exist in nature which allow the transfer of matter and energy between the living and non-living things of the biosphere.
All the three cycles involve the exchange of gases from the plants to atmosphere to the animals or microbiota, which is again released back into the atmosphere.
Plants absorb the nitrogen, carbon and water in different forms from the environment which is then passed on.
Another similar pattern seen amongst the three is that humans release carbon, nitrogen and oxygen in various forms.
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Several species of wasp kill other organisms to lay their eggs in but are not considered true parasites. Why do you think an organism like this isn't considered a true parasite?
Answers
Answer:
This is because parasites do not actually kill their hosts, which makes them not a true parasite even if they benefit while the host is harmed.
What are 7 major ecosystems?
Answers
Answer:
The major types of ecosystems are forests, grasslands, deserts, tundra, freshwater and marine. The word “biome” may also be used to describe terrestrial ecosystems which extend across a large geographic area, such as tundra.
Explanation:
Answer:The major types of ecosystems are forests, grasslands, deserts, tundra, freshwater and marine. The word “biome” may also be used to describe terrestrial ecosystems which extend across a large geographic area, such as tundra.
Explanation:
How does the orientation of the North Pole change during the year?
Drag and drop the months to correctly match the descriptions.
points away from the sun, so the Northern Hemisphere gets its least sunlight
points neither toward nor away from the sun, and the days in the Northern Hemisphere are getting longer
points neither toward nor away from the sun, and the days in the Northern Hemisphere are getting shorter
points toward the sun, so the Northern Hemisphere gets its most sunlight
December,March,June, or September
(THIS IS SCIENCE NOT BIOLOGY)
Answers
The orientation of the North Pole changes as follows during the year:
December: points away from the sun, so the Northern Hemisphere gets its least sunlight.March: points neither toward nor away from the sun, and the days in the Northern Hemisphere are getting longer.June: points toward the sun, so the Northern Hemisphere gets its most sunlight.September: points neither toward nor away from the sun, and the days in the Northern Hemisphere are getting shorter.How does the orientation of the North Pole change during the year?The orientation of the North Pole remains relatively fixed throughout the year. It does not change its position or direction.
The North Pole always points in the same direction in the northern sky, which is towards the North Star or Polaris.
However, the tilt of the Earth's axis in relation to its orbit around the Sun causes the amount of sunlight received by different parts of the Earth to vary throughout the year.
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Which statements below describe the cell theory? (select 3)
Group of answer choices
All living things are composed of cells.
Tissues are the smallest unit of living things.
Living cells come from nonliving cells.
Living cells come only from other living cells.
Cells are the smallest unit of living things.
Answers
2. Living cells come only from other living cells
3. Cells are the smallest unit of living things
The cell theory describes that all living things are composed of cells, living cells come only from the other living cells, and cells are the smallest unit of living things. Thus, the correct options are 1, 4, and 5.
What is the Cell theory?The cell theory was first proposed by the German scientists Theodor Schwann and Matthias Jakob Schleiden in the year 1838. The theory explains that all the living organisms such as plants and animals are made up of cells which is marked a great conceptual advance in the field of biology and resulted in renewed attention to the living processes which go on in the living cells.
The three major principles of cell theory are:
a. All living organisms are composed of one or more types of cells.
b. A cell is the basic structural and functional unit of the living organism.
c. All cells arise from the pre-existing cells.
Therefore, the correct options are 1, 4, and 5.
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What effects can an invasive species have on an ecosystem?Choose all that apply
A - Overpopulation due to no natural predators.
B - Reduced resources for native organisms.
C - Introducing new organisms ALWAYS benefits the native organisms in an ecosystem.
D - Reduced survival rates of native organisms.
Answers
Answer:
It should be D.
Explanation:
The invasive species will negatively effect the ecosystem and the natural predator in the area. Like the Blue Lobster problem in Maine.
A and B are effects that invasive species can have on an ecosystem.
What is an invasive species?An invasive species is a species that is introduced to an ecosystem where it is not native and has a harmful impact on the environment, the economy, or human health.
These species are often highly adaptable and can outcompete native species for resources, leading to reduced survival rates and changes in the balance of the ecosystem. Invasive species can also cause indirect harm by disrupting food webs and changing the abundance of other species. Human activities, such as trade and travel, are the primary causes of the spread of invasive species. In order to prevent further harm, efforts are made to control and manage populations of invasive species and to prevent their spread to new areas.
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Explain how traits are governed by the genetic material found in the genes within chromosomes in the cell nucleus.
Answers
Answer:
Genes determine which phenotypes you get
Explanation:
When you have a gene, it determines what proteins get bonded together. Such as eye color, hair color, hair type, etc.
When an organism reproduces, its genetic material is passed on to its offspring through the chromosomes in the cell nucleus. Chromosomes are structures that contain the genetic material that makes up an organism's genes. Each organism has a specific number of chromosomes, and each chromosome contains many genes.
During reproduction, the chromosomes from the mother's egg and the father's sperm combine to create a new organism. The resulting offspring inherits half of its genetic material from each parent, and this genetic material determines the traits that the offspring will have. For example, if an organism has a gene for blue eyes, it will pass on this gene to its offspring, and the offspring will have a trait for blue eyes.
Overall, traits are governed by the genetic material found in the genes within chromosomes in the cell nucleus. This genetic material is passed on from parent to offspring, and it determines the traits that an organism will have