Lillian parents are farmers. There are two types of fertilizers on the market. Both brands claim to grow carrots fastest. Plan and design an experiment to help Lillian's parents. Identify the independent, dependent and a control variable
Answers
The experiment to help Lillian's parents will consist of planting various carrots using both kinds of fertilizers, and maintaining a constant carrot type, amount of light, and amount of water throughout each plant.
In order to perform an accurate experiment, we need to identify three kinds of variables:
Independent variableDependent variableControl variableIn an experiment, the Independent variable is one whose value does not depend on the others. What this means is that this variable will not react to changes that occur in others. In this experiment, the independent variable is the fertilizer, given that it is not affected by the species of carrot, type of soil, or any other variable present.
The dependent variable in an experiment is just the opposite, it is, as the name implies, a variable whose value depends on the other variables present. In an experiment, this variable represents the data that we seek to measure. For this experiment, the dependent variable is the growth rate of the carrots because it is affected by the amount of water, light, and type of fertilizer we use, as well as being what we wish to measure.
Finally, the last variable we must identify is that of the control variable, also known as the constant or standardized variable. This variable is of vital importance for the accuracy of any experiment. This variable corresponds to those factors which we maintain constant through each trial in the experiment, for the example above, it is the amount of water and light, as well as the type of carrot, Lillian's parents will use.
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Related Questions
A cell wall is ___ found in plant cells
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1 pts Question 3 The transfer of glucose into a cell does not require ATP. What type of transport supplies a cell with glucose?
O exocytosis
O osmosis
O passive transport
O active transport
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Answer:
A exocytosis
Explanation:
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what will happen to a population of organisms that are in an environment with little to no oxygen?
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Answer: They would either die or have to adapt to their new very harsh conditions. The population might greatly decrease as well.
Explanation:
Which three questions that the student might be asking can be answered using
science?
A. Should I have an egg for breakfast, or oatmeal?
B. What chemicals were in the food of the chicken that laid this egg?
C. Is it wrong to eat a chicken egg?
D. How many eggs can a chicken lay in one day?
E. How strong is the shell that covers an egg?
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Answer:
B, D, and E
Explanation:
what is the effect of water temperature on corals from inshore and offshore reefs?
Answers
Answer:
When the water gets too warm, the algae can no longer live inside corals, so they leave. The corals then turn from green to white, called coral bleaching. Climate change has been causing the Earth's air and oceans to get warmer. With warmer oceans, coral bleaching is becoming more widespread.
Explanation:
When the water temperature rises too high, algae can no longer live inside corals and leave. Coral bleaching occurs when the corals turn from green to white.
What are coral reefs?A coral reef is an underwater ecosystem characterized by corals that build reefs. Reefs are made up of coral polyp territories hosted along by calcium carbonate.
The vast bulk of coral reefs are mainly composed of stony corals, which have polyps that coalesce together.
Coral reefs grow in shallow water with temperatures ranging from 68° F to 97° F. The Indo-West Pacific biogeographic region contains more than 90% of the world's coral reefs.
When the temperature of the water rises too high, algae can no longer live inside corals and must leave. Coral bleaching occurs when corals alter color from green to white.
The Earth's air and oceans are becoming warmer as a result of climate change. Coral bleaching is becoming more common as the oceans warm.
Thus, this is the effect of water temperature on corals from inshore and offshore reefs.
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chromosomes tightly coiled structure enables them to be properly segregated during:
Answers
Answer:
cell division
Explanation:
In bakery when _______ is added to the dough for preparing bread, the dough rises
Answers
Answer:
Yeast
Explanation:
yeast causes dough to rise when combined.
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Niche-
Describe a specific organisms niche found in the Gobi Desert
Answers
Answer:
Desert Niches
Adaptations include a species' selection of food, water and shelter as well as other facts of its behavior. Niches within desert ecosystems include open desert scrub, open grasslands, washes and sandy soils.
Explanation:
what do all craniates have that earlier chordates did not have?
Answers
Answer:
partial or complete skull
Explanation:
My parents have made me do online flashcards as studying and that was one of the questions
75 grams of salt are added to 100 ml of water. What is the concentration of the solution? *
Answers
Answer:
look at the photo I have sent
May I know the explanation why the correct answer is C ?
Answers
Answer:C
Explanation:
Because the effect of temperature is equal
Hope it will help you .
4. True or false; the tibialis longus and brevis muscles are found on the
lateral side of the leg.
Answers
Answer:
True I think
Explanation:
Pls correct me if I am wrong.
1. Ai là người đã đặt nền móng cho di truyền học
A. Men đen
B. Moocgan
C. Newton
D. Anhxtanh
Answers
Explanation:
here your answer
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what is the function of the chloroplasts
Answers
Chloroplasts are the organelles that contain the chlorophyll pigment, which is essential for the good-making process of photosynthesis.
A ____________ is neither a plant, animal or bacteria but causes trouble to all living things.
Answers
Answer:
I say that fungi makes more sense, so a fungi is neither a plant, animal or bacteria but causes trouble to all living things.
Explanation:
Since fungi don't classify as plants and are more complex than bacteria's, as they obviously aren't animals.
Metamorphic rocks are common when two continental plates collide because There is a lot of stress when enormous slabs of crust push together Sediment buries rocks to increase pressure O Magma bodies are common because there is a lot of melting O All of these
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Answer: Metamorphic rock, estimated to be as old as 3.8 billion years, located near Isua at Qorqut Sound, Greenland.In the rock cycle, there are three different types of rocks: sedimentary, igneous, and metamorphic. Sedimentary and igneous rocks began as something other than rock. Sedimentary rocks were originally sediments, which were compacted under high pressure. Igneous rocks formed when liquid magma or lava—magma that has emerged onto the surface of the Earth—cooled and hardened. A metamorphic rock, on the other hand, began as a rock—either a sedimentary, igneous, or even a different sort of metamorphic rock. Then, due to various conditions within the Earth, the existing rock was changed into a new kind of metamorphic rock.
The conditions required to form a metamorphic rock are very specific. The existing rock must be exposed to high heat, high pressure, or to a hot, mineral-rich fluid. Usually, all three of these circumstances are met. These conditions are most often found either deep in Earth’s crust or at plate boundaries where tectonic plates collide. In order to create metamorphic rock, it is vital that the existing rock remain solid and not melt. If there is too much heat or pressure, the rock will melt and become magma. This will result in the formation of an igneous rock, not a metamorphic rock.
Explanation:
starting with parent material list steps that lead to formation of an a-horizon
Answers
Answer:
Explanation:sequence copy the graphic organizer below. starting with parent material, list steps that lead to the formation of an a-horizon
Glycogen is a complex carbon hydrates found in animals true or false?
Answers
Answer:
true
Explanation:
Explanation:
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bonjour , c'est a rendre pour demain , pourriez vous m'aider ?
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Answer:
It's way too easy to be on here
Explanation:
Help please! Q: Location Three: Select three events that you predict will be observed. If I explore two continental plates at a transform boundary, then I will observe:
A: earthquakes
B: faults
C: ocean formation
D: mountains
E: volcanoes
F: island chains
G: seafloor spreading
Answers
Answer:
Earthquakes, Faults, and Island chains.
Explanation:
There are three types of plate boundary such as Constructive, destructive and transform plate boundary. The primary landform in the Transform boundary are faults which is caused by the Earthquakes. Many transform boundary landforms are in the ocean floor which is responsible for the island formation. Fault is found due to the two process such as Ridge push and ridge pull. Transform boundary neither creates and nor destroys any land in the region.
Plane joints are the only type of synovial joint not featured in the Concept Map. Which of the following describes their range of motion?
A. A plane joint is non-axial and allows for gliding motion.
B. A plane joint is uniaxial and allows for flexion and extension.
C. A plane joint is biaxial and allows for abduction and adduction.
D. A plane joint is multiaxial and allows for motion in all axes.
Answers
Answer:
Plane joints are the only type of synovial joint not featured in the Concept Map. Which of the following describes their range of motion? A plane joint is non-axial and allows for gliding motion
Where does cell respiration and fermentation happen in cell?
Answers
Answer:
Mitochondria
Explanation:
ILL MARK BRAINLIEST!Geothermal energy is possible where there is….
A.wind
B.boil
C.coal
D.magma
Answers
Answer:
D. Magma
Explanation:
geothermal basically means they're pulling energy from the beneath the earth's trying to get heat to convert, and magma is hot, so i would assume that D would be the best answer
2. Which structures must be present in a cell for osmosis to take place?
A. Cell (sap) vacuole and cell wall
B. Cell wall and cell membrane
C. Chloroplast and cytoplasm
D. Cytoplasm and cell membrane
Answers
D- Chloroplast and cell membrane
Which of the following biological molecules
are composed of the elements C, H, O, N and
S?
carbohydrates
nucleic acids
proteins
lipids
Answers
Answer:
protein
Explanation:
because carbohydrate ..nucleic acids protein
Biological molecules are large molecules made of various elements and compounds linked together. Proteins are composed of C, H, O, N, and S. Thus, option C is correct.
What are proteins?Proteins are considered macromolecules that are large in size and are polymers composed of various units of amino acids linked together by peptide bonds. They are involved in various activities and structural functions in the body.
The chains of various amino acids linked together make the protein molecule. The amino acids involved in the structure are composed of various elements that include, hydrogen, carbon, oxygen, nitrogen, and sulfur in various combinations. The amino acids contain amine, carboxylic acid, and other variable groups.
Therefore, option C. proteins are made of monomers of amino acids.
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Which of these is a biotic factor?
topography
soil
air
bactiria
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how does the colour of star help to find its age
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Answer:
As stars age, they run out of hydrogen to burn, decreasing the amount of energy they emit. Thus, younger stars can appear bluer while older ones appear more red, and in this way, a star's color can tell us something about that star's age.
Explanation:
need an answer now explain answer the 1-4 questions
Answers
2 The most important trait as an official is fairness, because they should always treat everyone equally, no matter where they come from or what different features they have. Also during an argument they have to stay fair and listen to both sides to solve the problem peacefully.
3 They can improve their officiating skills by always acting professional and not let private life and work life mix for example. It's important to keep some kind of professional distance between them and colleagues. Precision can be improved by concentrating and working more accurately.
4 I think that I could handle officiating basketball in my community, because I am a very responsible person, who cares about everyone equally and would act fair in every situation. I can also take responsibility about certain things or people. Furthermore I like organising and maintaining a professional lifestyle.
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Which of the following best describes a benefit of one type of nonrenewable energy?
Natural gas does not produce greenhouse gases as other energy sources do.
Coal deposits are found on nearly every continent and mining coal poses few risks.
Nuclear power increases water vapor in the atmosphere.
Petroleum is relatively inexpensive compared to other forms of energy.
Answers
Answer:
d
Explanation:
Answer:
Petroleum is relatively inexpensive compared to other forms of energy.
Explanation:
triggering of the muscle action potential occurs after
Answers
Triggering of the muscle action potential occurs after Ach binds to chemically gated channels in the motor end plate membrane. Acetylcholine (Ach) is a neurotransmitter produced by nerve cells.
An action potential is an electrical signal that travels along the cell membrane as a wave.
This action potential (muscle action potential) drives the contraction of muscle fibers.
When the action potential reaches the neuromuscular junction (i.e., the motor end-plate), acetylcholine (Ach) is released into the synaptic cleft.
Subsequently, Ach can bind and open specific channels localized on the surface of the muscle cells, thereby depolarizing them and triggering muscle contraction.
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