A student designed an experiment to determine if air temperature had an effect on the rate of photosynthesis in corn plants. A constant in this experiment is the
A.Air temperature at which the corn plants were grown
B.Amount of carbon dioxide used by the corn plants
C.Volume of oxygen produced by the corn plants
D.Number of corn plants used

Answers

Answer 1

Answer: A) the air temp at which the corn plants are grown

Explanation:

The independent variable is the one that changes based on what problem/ question the experimenter is trying to solve. The student is trying to see if the air temp has an affect on the rate of photosynthesis so they whorls use various temps and measure the rate

Answer 2

The constant in this experiment is the number of corn plants used.

WHAT IS A CONSTANT VARIABLE:

In an experiment, a constant or control variable is a variable that is kept the same for all groups of the experiment.

The independent variable is tested to bring about a change in a dependent variable in an experiment. However, every other variable of the experiment must be kept constant. These variables are called CONSTANT.

In this question, the independent variable is the air temperature while the dependent variable is the rate of photosynthesis.

A constant in this experiment is the number of corn plants used. The number used must be the same for all groups.

Learn more: https://brainly.com/question/17367653?referrer=searchResults


Related Questions

C) Explain the difference in how the plant and the woman get glucose molecules to use for energy

Answers

Answer:

Ok:

Explanation:

The woman eats and digests food to get glucose while the plant can undergo photosynthesis which forms glucose.

The plant and the woman utilize different mechanisms for accumulating glucose in their body to use for energy.

What is Glucose?

Glucose may be defined as the main type of sugar in the blood which provides immediate energy to the body's tissues to perform metabolic activities.

Plants utilize the process of photosynthesis to construct their food
(glucose) with the help of carbon dioxide and water in the presence of sunlight, while the woman eats food products which are then digested into the stomach, and glucose is synthesized which is then transported into the bloodstream.

Therefore, it is well described above.

To learn more about Glucose, refer to the link:

https://brainly.com/question/461228

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Which of these is a bacteria?

Group of answer choices

E-coli

HIV

Yeast

Zika

Answers

Answer:

im pretty sure its e-coli

Explanation:

Answer:

E-Coli is a bacteria

Explanation: I think zika is a virus, Hiv is a transmitted disease, and yeast is (I forgot) so I'm pretty sure its e-coli.

Some bacteria cells divide at a rate of

Answers

Answer:

Each daughter cell is a clone of the parent cell. When conditions are favorable such as the right temperature and nutrients are available, some bacteria like Escherichia coli can divide every 20 minutes. This means that in just seven hours one bacterium can generate 2,097,152 bacteria.

chrolopalsts diagrams​

Answers

Answer:

hope that's satisfactory

Consider a real city that wants to build a new school. The city is located in a hot, urban climate in an area prone to hurricanes. List at least 2 criteria and 2 constraints related to the problem. For each, describe why it is important or relevant for the targeted audience.< /p>

Answers

Answer:

Let's consider Florida is the city that wants to build a new school and Florida having hot climate and one of the most prone city to hurricanes.

Two criteria to build the building are:

The physical geometry of the building is very important while making it. The building design should have square, hexagonal or even octagonal floor plans along with multiple slopes. The design gives strength to the building to stand in the strong winds.Use of shutters and louvers, that will restrict the entry of heat inside the building and building will remain cool.

Two constraints to build the building:

Students are not safe in such area or areas because natural disasters can hit anytime.The cost of construction in such areas will be very high.

the prefix ad placed in front of a word means what

Answers

Answer:

a prefix occurring in loanwords from Latin, where it meant “toward” and indicated direction, tendency, or addition: adjoin.

ASAP Describe the difference between each of these terms and the structure of each kind of fat- Saturated fats, Unsaturated fats, Polyunsaturated fats

Answers

Answer:

In saturated fats, the carbon atoms are totally covered, or "saturated," with hydrogen atoms. This makes them solid at room temperature. In unsaturated fats, fewer hydrogen atoms are bound to carbon atoms. These fats are liquid at room temperature.

Which of these statements is true regarding the use of testimony on hair samples in courts today?

A.) Hair samples are replacing DNA as an easily available, go-to source for identifying suspects.
B.)Modern changes in the discipline mean that any police officer can provide testimony on hair samples.
C.) Hair samples are necessary for most convictions.
D.) There's solid research that should lead us to be skeptical of testimony based on hair samples.

Answers

Answer:

Answer:A

Explanation:

plz help I will mark you brainlist plz ​

Answers

Answer:

The first box would be the pH will decrease, and the acidity will increase, and for the second box, the pH will increase, and the acidity will go down.

Explanation:

As the hydronium concentration increases, the pH decreases, and therefore if the hydromnium concentration decreases, the pH will increase. pH is sort of backwards, as the level increases, the acidity will go down, and as it decreases, the acidity will go up.

when the concentration of hydronium ions increase, the pH level decreases. because the pH is decreasing, the acidity is increasing (as anything below a 7 on the pH scale is acidic)

when the concentration decreases, the pH level increases, therefore causing it to become more basic/alkaline (acidity decreases)

Proteins build up, maintain and replace the tissues in your body.

true false

Answers

Answer:

True

Explanation:

Protein provides energy and supports your mood and cognitive function. It's a vital nutrient required for building, maintaining, and repairing tissues, cells, and organs throughout the body.

4. How is exponential growth possible?​

Answers

Exponential growth may happen for a while, if there are few individuals and many resources.

What is the characteristics of Order - Carnivora?

Answers

Answer:

Characteristics commonly associated with carnivora include strength, speed, and keen senses for hunting, as well as teeth and claws for capturing and tearing prey

Answer:

Carnivora are a group of carnivorous mammals like wolves, hyenas and lions

Explanation:

What is turgidity? any answer

Answers

Answer:

In biology, turgid refers to cells or tissues that are swollen from water uptake. Many cell types in many different organisms can become turgid due to water uptake.Plant cells, in contrast to animal cells, are almost always turgid due to the action of a large vacuole in each of their cells.

Explanation:

Answer: definition :swollen and distended or congested.

Explanation:

Respiration is a series of enzyme-catalyzed reactions. Looking at the data below what is the optimum temperature
for the enzymes responsible for respiration?


Answers

Answer:

30C

Explanation:

One sign that a chemical reaction has taken place is the production of a gas. The more gas bubbles produced, the more reactions that the enzyme is catalyzing.

The highest number of gas bubbles are produced at 30C. The enzymes have the greatest activity in catalyzing chemical reactions at this temperature.

Therefore, this is the optimum temperature for the enzymes in this experiment.

Which of the following adaptations enables deciduous trees to produce more food?
a.
thick bark
b.
stretching toward the sun
c.
leaf loss
d.
color change


im pretty sure its b, but im just making sure

Answers

Answer:

yes you are correct the answer would be "B"

Explanation:

i think it’s b stretching toward the sun

Which of the following is most likely course the liquid in tube A to rise

Answers

The first one I think I’m not sure

Which Scientific model could be used to predict the properties of an element?
(a) closed loop system (b) Punnett square (c) Periodic Table (d) water cycle chart

Answers

It should be the periodic table.

Orchids are a recently evolved plant that have a novel feature known as aerial roots. What is the most likely function of an orchid's specialized roots? Aerial roots are the site of energy synthesis. Aerial roots allow the orchid to attach itself to trees. Aerial roots produce food for the orchid through photosynthesis. Aerial roots anchor the orchid to the ground.

Answers

Answer:

Aerial roots allow the orchid to attach itself to trees

Explanation:

Orchids are a group of plants that are mostly epiphytic in nature i.e. depends on other plants for physical supports. According to this question, orchids have evolved to develop a novel feature called AERIAL ROOTS.

This specialized kind of roots serves different functions in the orchid plants but however, the most likely is for PHYSICAL SUPPORT. The orchids use their developed aerial roots to climb and attach itself to their tree host in order for them to reach sunlight.

Answer:

the answer is B- Aerial roots allow the orchid to attach itself to trees.

Explanation:

Choose the answer that is not a fossil.
a. a cow skeleton in the desert
b. dinosaur footprints preserved in mud turned to rock
c. a petrified T-Rex is found in Montana
d. a 400-million-year-old fish preserved in rock

Answers

B is not a fossil because it is not the remains of a dinosaur

Despite the differences in size and shape between cells and cell types, all cells have cytoplasm and

Answers

Answer:

DNA &/or Ribose

Explanation:

DNA & Ribose. Eukaryote and Prokaryote cells have all 3 of these things in Similar (Cytoplasm, DNA, and Ribose), since all cells need protein, a blueprint for building cells, and a jelly-like substance to hold all of these things together.

50 points please help

Answers

Answer:

h2N in P--O

Explanation:

youre welcome :3

Answer:

h2N in P-O

Explanation:

Please give brainiest


How are the craters the same?

Answers

Answer:

The craters on what? Is there supposed to be a picture added to this?

Explanation:

Refer to Fig. 6.4.1 and 6.5.2 for this and the next two questions. The mutation occurs in the DNA, but questions refer to results in the mRNA. The original codon is UAU, which codes for the amino acid tyrosine (Tyr). (You might want to confirm this.) A mutation that changes the first letter to 'C' is called:

Answers

Answer:

A mutation that changes the first letter to 'C' is called Frameshift mutation.

Explanation:

 FRAMESHIFT MUTATION -: A frameshift mutation is a genetic mutation of a number of nucleotides caused by indels (insertions or deletions) in a DNA sequence that is not divisible by three.  A frameshift mutation (also called a framing error or a reading frame shift) The addition or deletion may alter the reading frame (the grouping of codons) due to the triplet nature of gene expression by codons resulting in a completely different translation from the root. A frameshift mutation, instead of being added or removed, is not the same as a single-nucleotide polymorphism in which a nucleotide is substituted. In general, a frameshift mutation will cause the reading of the codons to code for various amino acids after the mutation. The first stop codon ("UAA", "UGA" or "UAG") encountered in the series would also change the frameshift mutation. The polypeptide that is formed will be abnormally short or abnormally long, and most likely will not be functional.Hence, the answer is Frameshift Mutation.

Fill in the blank.
Living things get energy directly from the sun by _______ or indirectly by _______.

Answers

Fill in the blank.

Living things get energy directly from the sun by ___photosynthesis____ or indirectly by ____i dont know___.

Organisms either get their energy directly from the sun during photosynthesis or indirectly by eating those organisms.

Please help me...what is the function of an animal cell?

Answers

Answer:

the blood and the senses

Explanation:

PLEASE HELP I HAVE TO FILL IN THE BLANKS!!!!!!
For every volcano, there is a ____________ in the nearby ocean, formed due to subduction.

Answers

There is a Island nearby

sete are locomotary organs of
o Leech
Earthworm
• Nereis
syron-​

Answers

Answer:

Leech

hope this helps u

Which of the following is NOT one of the three types of neurons?

Group of answer choices

Peripheral

Sensory (or Afferent)

Motor (or Efferent)

Interneurons

Answers

Answer:

Sensory (or Afferent)

Explanation:

the answer is Peripheral

Repeat the demonstration on a paved surface such as a driveway or sidewalk and document the differences. With no soil to absorb this water, what would happen in a heavy rainstorm? How would an engineer in charge of a city's flood control system prepare for the runoff generated on paved parking lots and roads in a heavy rainstorm?

Answers

Answer:

Explanation:

Without soil to absorb the excess water, a heavy rainstorm will cause massive flooding. The water will accumulate over the pavement and keep rising until it finds soil or a runoff since water always levels itself out. To prevent situations such as this one an engineer should implement drainage tunnels between the road and the sidewalks. This would allow the water to be drained and flow to the nearby body of water. This would easily prevent flooding during a heavy rainstorm.

Answer:The rate of absorption into the soil was very slow, which meant that some of the water flowed over it and was either absorbed in a different area, or ran onto the driveway and down into the street. It was a warm sunny day, so after a while the wet patch of water on the sidewalk had dried up (evaporation). Once the soil got wet from absorbing the water, the rate of absorption got even slower – like the soil was “full” – and more water ran over onto the driveway. The water on the driveway moved very quickly, since the concrete didn’t absorb it. Our street has never flooded before, but I have seen heavy rainstorms where the water was moving down the street like a big stream, carrying fallen leaves and trash down into the storm drains.

One function of proteins is to provide structural support.

True or False ​

Answers

true, a function of protein is to help provide structural support and by acting as enzymes

Answer:

true....................

Explanation:

:)

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