You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives regular water. After a two-week period, the height is measured.

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Answer 1
you water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives pure water. After a two-week period, the height is measured. i think the indepent variable is sunflower ... variable is height measured and the control variable is the fourth plant.

Related Questions

please help me if you can

Answers

Answer:

50%

Explanation

        G     G

g       Gg    Gg

g       Gg     Gg

since each box has Gg it has to be 50%

Let's say your name is Gilligan, you've survived a shipwreck and you're stranded on a desert island. You happen to have been stranded with a medical doctor that has a limited stock of medical supplies. One of your shipmates is in desperate need of a blood transfusion but doesn't know his blood type. You do know your blood type. How could you type his blood with your knowledge and limited medical supplies?

Answers

Answer:

In order to find the blood type of the shipmate, Gilligan mixes a little blood of the shipmate with himself firstly and than with individual blood types to simplify the data by process of elimination.

Explanation:

There are a total of four types of blood groups which are as follows:

A blood grp has anti B antibodies, has A antigen B blood group has anti A antibodies, has B antigen AB blood group has no antibodies, has A and B antigen O blood group has no antigens, has anti A and anti B antibodies

In order to find the blood type of the shipmate in the deserted needs of a blood transfusion, mixing of your blood with some of his blood is carred out:

if no clumping seen then the shipmate has same type of blood group as you or has AB blood group (AB has no antibodies). If clumping is seen then person has O blood group(has both anti A and anti B antibodies) or the other type of blood group (that is if Gilligan's blood group is type B, if clumping is seen then the other person's blood group is O or A type because he has anti B antibodies in both of them)

IT'S A 3 QUESTION ASSIGNMENT. WHICH I NEED HELP WITH
As wavelength decreases, what happens to frequency?

Answers

Answer:

the Frequency remains constant

Answer: So if a wave slows down, its wavelength will decrease. ... Although the wave slows down, its frequency remains the same, due to the fact that its wavelength is shorter. When waves travel from one medium to another the frequency never changes. As waves travel into the denser medium, they slow down and wavelength decreases.

Explanation:

With your partner list three biological processes involving biosynthesis break down what you think your body could carry out using the matter and energy from the beef burger

Answers

Answer:

Photosynthesis, chemosynthesis and ATP synthesis.

Explanation:

Photosynthesis, chemosynthesis and ATP synthesis are the three biological processes that involves biosynthesis break down. Beef burger having bread, meat and cheese which provides carbohydrates, proteins and fats to the body respectively. Carbohydrates are converted into glucose, proteins are converted into amino acids and fats are converted to fatty acids in order to absorb by the cells of the body.

In two or more complete sentences, describe a scenario where human activities are related to an increase or decrease in blodiversity in an ecosystem. Write your answer in the essay box below

Answers

Answer:

Deforestation and loss of green areas so that factories can use those areas for their benefit, exploiting the natural resources around them decrease an ecosystem's biodiversity. The invasion of industrial areas and excessive use of their natural resources causes a disbalance in the ecosystem because the plants, water, nutrients, minerals, amongst other elements, are used by industries killing animals and species, reducing populations due to pollution, and lack of food.

Explanation:

An ecosystem is a system where animals and living organisms, such as plants or bacteria, live together with nonliving elements. Living organisms interact with each other and with nonliving ones to keep the system balanced.

We can define biodiversity as the variety of living things that exist in an ecosystem.

Human activities like deforestation and the building of big factories near areas with large amounts of natural resources lead to the killing of many species. As industries kill in excess species, or they pollute an ecosystem's soil and water, the species' population decreases. Asa result, there is a disbalance in the ecosystem.

A human activity that increases biodiversity is the protection of endangered animals or laws to protect natural areas where there are many species of plants and animals that are of high importance for the planet.

what are the differences between anaerobic respiration and photosynthesis​

Answers

Answer:

Aerobic respiration produces energy whereas the photosynthesis is the process for trapping energy.

Anaerobic produces energy

She doesn't know the whole course because she was absent the day we were learning this so, she needs more help!! (My friend)

Answers

Answer The gravity and the sun


Have a good day

Outline the role of the nucleus.

Answers

Answer:

To contol all the activities in the cell

The overall population of a species has increased. What could have occurred to allow this to happen?
The emigration rate is greater than the death rate.
The death rate of the population is greater than the immigration.
The birth rate of the population is less than the death rate.
The immigration of the population is greater than the emigration.

Answers

Answer:

its D

Explanation:

Answer:

d. the immigration of the population is greater than the emigration.

Explanation:

Pretend that you are writing a letter to the president proposing ways that the US can reduce its contribution to climate change. In your letter, include at least three facts you learned today.

Answers

Answer:

Dear Mr. President,

Your strong voice has called attention to the risks of human-induced climate change and the need to take timely and effective steps to address it. We are pleased to report further progress in our efforts to advise you on climate policy options that could help encourage these steps.

- (Explain what you learned in class today ) I don't know what you were taught in class so you have to figure what to put here.  

Mr. President, our temperatures are consistently rising while moisture is increasingly evaporating. Forest management is merely one piece of the puzzle — something our own firefighters would be quick to remind you. Since 2009, our state has spent more than $130 million on forest health and fire preparedness. These events still overwhelm our residents and resources, because these fires are unlike anything people have seen before.

Sincerely,

Explanation:

hope this helps!

What are the reagents for Photosynthesis?

Answers

Answer:

The reactants for photosynthesis are light energy, water, carbon dioxide and chlorophyll, while the products are glucose (sugar), oxygen and water.

Photosynthesis Reactants. The photosynthetic process requires several simple reactants. ...

Light-Dependent Process. ...

Light-Independent Process.

Explanation:

Can blood be both red or blue?

Answers

Blood is just red.
Blue blood in diagrams is just used to distinguish between deoxygenated and oxygenated blood but there’s no such thing as hving blue blood.

Answer:

Blood does change color somewhat as oxygen is absorbed and replenished. But it doesn't change from red to blue. It changes from red to dark red. It is true that veins, which are sometimes visible through the skin, may look bluish.

Explanation:

Hope this helps

Plz mark as Brainliest

What does the skeletal part of the musculoskeletal system do? Why is 'protects the organs of the body' correct?

Answers

Answer:

The bones of the skeletal system protect the body's internal organs, support the weight of the body, and serve as the main storage system for calcium and phosphorus. The muscles of the muscular system keep bones in place; they assist with movement by contracting and pulling on the bones.

Explanation:

Answer:

In the musculoskeletal system, the muscular and skeletal systems work together to support and move the body. The bones of the skeletal system serve to protect the body's organs, support the weight of the body, and give the body shape.

Explanation:

I WILL MAEK BRAINLIEST!!!

Answers

pioneer species
Hope this helps

Nombra de forma ordenada el camino que recorre el CO2 desde el capilar sanguíneo que rodea el alveolo hasta salir del cuerpo.

Answers

Answer:

El aire ingresa al cuerpo a través de la boca o la nariz y se mueve rápidamente hacia la faringe o la garganta. Desde allí, pasa a través de la laringe o laringe y entra en la tráquea.

La tráquea es un tubo fuerte que contiene anillos de cartílago que evitan que se colapse.

Dentro de los pulmones, la tráquea se ramifica en un bronquio izquierdo y derecho. Estos se dividen aún más en ramas cada vez más pequeñas llamadas bronquiolos.

Los bronquiolos más pequeños terminan en diminutos sacos de aire. Estos se llaman alvéolos. Se inflan cuando una persona inhala y se desinflan cuando una persona exhala.

Durante el intercambio de gases, el oxígeno pasa de los pulmones al torrente sanguíneo. Al mismo tiempo, el dióxido de carbono pasa de la sangre a los pulmones. Esto sucede en los pulmones entre los alvéolos y una red de pequeños vasos sanguíneos llamados capilares, que se encuentran en las paredes de los alvéolos.

Aquí puede ver los glóbulos rojos que viajan a través de los capilares. Las paredes de los alvéolos comparten una membrana con los capilares. Eso es lo cerca que están.

Esto permite que el oxígeno y el dióxido de carbono se difundan o se muevan libremente entre el sistema respiratorio y el torrente sanguíneo.

Las moléculas de oxígeno se adhieren a los glóbulos rojos, que viajan de regreso al corazón. Al mismo tiempo, las moléculas de dióxido de carbono en los alvéolos salen del cuerpo la próxima vez que una persona exhala.

El intercambio de gases permite que el cuerpo reponga el oxígeno y elimine el dióxido de carbono. Hacer ambas cosas es necesario para sobrevivir.

Explanation:

Explain how vaccinating chickens reduces the number of cases of salmonella
food poisoning.

Answers

Answer:

https://youtu.be/wmQMBJ_ce3k see this video

Vaccines don’t do anything...it depends on the person that has the chickens, they have to know what they’re doing for you to not get sick from salmonella

The emergence, growth, and extinction of a large clade, such as the dinosaurs, is an example of a Choose... pattern. This pattern includes Choose... extinction, which tends not to disturb ecosystems, as well as Choose... extinction, in which ecosystems change drastically.

Answers

Answer:

macroevolutionary; background; mass

Explanation:

Macroevolution is defined as the evolutionary process of higher taxa (above the species level). Macroevolutionary patterns include stasis (lack of evolutionary change over a long period), speciation (diversification), lineage character change (modification of major features/traits), and extinction (termination of a species or taxon). Moreover, background extinction refers to the extinction of individual taxon/species due to environmental factors (e.g., climate change, disease, habitat loss, competition, etc), which account for the majority of all extinctions. Conversely, mass extinction refers to the time period in which a major proportion of all known species (about three-quarters or even more of all species) living at the time goes extinct.

When several genes influence a trait

Answers

Answer:

A polygenic trait is one whose phenotype is influenced by more than one gene. Traits that display a continuous distribution, such as height or skin color, are polygenic.

Explanation:

I hope this helped!

The sodium potassium pump is a form of active transport. This means _______ is required
A. Glucose
B. ATP
C. Water
D. Oxygen

Answers

Answer:

ATP

Explanation:

Active transport always requires energy (ATP)

Did Biston betularia evolve into a new species?

Answers

Answer:

nope

Explanation:

Post your thoughts on whether or not genetically modifying embryos to produce designer babies is a good or bad idea.

Answers

Answer: My

Explanation: I believe that it could end a lot of diseases and issues. It would give parents with hereditary illnesses a chance to have healthy offspring, which could be  for certain families. I also believe studies need to go further proving that it's safe and will not damage offspring for life.

Nutrients are molecules that can be found in______​

Answers

Answer:

food

Please mark as brainliest if answer is right

Have a great day, be safe and healthy  

Thank u  

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what is the only predator left for humans how are they different from us reproductively?

Answers

Human do not have any natural predators but may be occasionally killed by lions and tigers.

What are predators?

Predators are animals which hunt and kill other animals for their food.

Humans have no natural predators as humans are at the top level of intelligence and development in the animal kingdom.

However, in some instances, humans may be killed for food by large carnivores such as lions, leopards and tigers.

Learn more about predators at: https://brainly.com/question/2716799

1.if you want a reaction to speed up you need an-

a. nucleic acid
b. nerve cell
c. enzyme
d. carbohydrate

2.which of the following ninfa to the active site of an enzyme?

a. substrate
b. codon
c. product
d. none of the above

Answers

Answer:

c

Explanation:

because it helps in chemical reactions

I think it’s c hope this helps

Explain why Fossil Fuels are good and bad? Give an example.

Answers

Answer:

it can cause environmental pollution but at the same time it reuses any excess waste from coal, oil etc.

Fossil fuels are good because it is used for cars which helps in transportation but bad because when they are used the degrade the environmental condition.

During a research project on the tundra, students selected important information about the biome which is shown below:

The tundra is known for its low temperatures, low precipitation, and layer of permafrost. The growing season is about 50-60 days. Temperatures range from an average of -34oC in the winter to an average of 8oC in the summer.

Some organisms that live in the tundra are:

low shrubs lemmings

mosses hares

lichen foxes

grasses polar bears

grasshoppers

mosquitoes

Part A Explain the reasons for the short growing season and analyze how that affects plant reproduction.

Part B Describe a characteristic of the tundra not given above. Explain how it affects the organisms living there.

Part C Describe one possible adaptation of one of the animals listed that enables it to live in the tundra. Explain your answer.

Part D If a medical doctor visited the tundra and claimed it contained more animal species than any other biome, do you consider the doctor's claim accurate or not? Give reasons for your answer.

Answers

I think that never mind

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Which is the function of the exoskeleton in animals?

A) Produces the sperm used in reproduction
B) Protects against different weather
C) Protects against their environment
D) Works with muscles to allow movement

Answers

Answer:

c

Explanation:

the exoskeleton is a hard shell that can provide protection from outside dangers

List ten adaptions that pinus plants display that allows them to survive a terrestrial model of life

Answers

Answer:

1) Growth Pattern

2) Conical Shape

3) Needle-shaped leaves

4) Pine needles

5) Waxy coating

6) Chemicals

7) Dark-colored needles

8) Thick bark

9) Ever growing roots

10) Small surface area of pine needles

Explanation:

Pinus plants are coniferous plants that are evergreen and long lived. They are usually found in the Northern Hemisphere and few parts of the Southern Hemisphere. Their adaptations include;

1) Growth Pattern: Pinus plants grow very closely to each other, creating a dense setting that helps to preserve warmth.

2) Conical Shape: Their conical shape helps them shed off snow and helps them produce enough food through photosynthesis by staying green all year.

3) Needle-shaped leaves: This helps reduce moisture loss.

4) Pine needles: This reduces moisture loss through transpiration.

5) Waxy coating: The waxy coating of their pine needles protect them from harsh weather like drying winds. It also protects them from sap that cause may freeze.

6) Chemicals: The chemicals present prevent wildlife from eating them.

7) Dark-colored needles: This helps them absorb heat from the sun

8) Thick bark: Protects against cold

9) Ever growing roots: Their roots do not stop growing even in winter so there is always moist and nutrients.

10) Small surface area of pine needles: Their small surface area helps in moisture retention.

Which of the following is true about acid rain?
A
It is caused by water in the atmosphere absorbing UV radiation.

B
It is caused by pollution in the ocean evaporating and then falling back to earth as rain.

C
It is caused by the greenhouse effect and is increasing due to the thinning ozone layer.

D
It is caused by air pollutants combining with water in the atmosphere.

Answers

Answer:

EL HIELO SE EVAPORA

Explanation:

POR EL CLIMA

Which type of solution is best for use in IV bags at the hospital when patients can't afford to have their cells grow or shrink?
A. hypertonic

B. hypotonic

C. isotonic

Answers

Answer:

C is correct from my point of view too

Explanation:

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