In science class, Maria observes a white-colored cut flower. She sees that the petals turn red when the flower is sitting in a vase that has
red-colored water.
She forms a hypothesis that the color reaches the flower through the stem. What should Maria do to confirm the hypothesis?
A. She should repeat the experiment with the same type of flower and photograph the changes over time.
B. She should ask her science teacher about the flower to confirm whether her hypothesis is correct.
C
She should try the experiment with a potted plant with roots and observe any color changes.
D
She should repeat the experiment with a different species of plant and photograph the changes.

Answers

Answer 1

Answer:

D

Explanation:

Its d I think tell me if it's wrong If it is I'm sorry

Answer 2

Answer:

A.

She should repeat the experiment with the same type of flower and photograph the changes over

Explanation:


Related Questions

Which of the following molecules supplies the main source of short-term energy used in cellular
respiration?
F) Enzymes
G) Carbohydrates
H) Lipids
J) Proteins

Answers

Answer:

g

Explanation:

its g because thats right may i have brainlyist i need it to upgrade

The molecules supply the main source of short-term energy used in cellular respiration is - G) carbohydrates.

All living organisms carry out cellular respiration in order to get energy for cellular processes. All biomolecules proteins, lipids, and carbohydrates provide energy by breaking down during this process. however, sugar molecules or carbohydrates are used to provide short-term and immediate energy in the form of ATP by cellular respiration.

Proteins -

During extreme starvation when all carbohydrates and fats in the body are used up.The respiratory quotient (RQ) of proteins - 0.83–0.9.

Carbohydrates-

The major respiratory substrate is in form of glucose or carbohydrates in cells.The respiratory quotient (RQ) of carbohydrates - 1.

Fats-

used only if carbohydrates are in short supply. It yields almost twice as much energy as carbohydrates generally do not use.The respiratory quotient (RQ) - 0.71

Thus, carbohydrates like glucose and sucrose are probably the two most common organic molecules that organisms require to produce short-term energy from cellular respiration.

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A group of students is trying.to determine which detergent will best remove an oil stain. They stain five separate cloths with oil and.then wash each of.the cloths in a deficient detergent. They repeat each test two more times. Which step should be included in their investigation plan?

Answers

Answer: Place each oil stain on separate, but identical, pieces of cloth.

The group of students should have stained separate but identical pieces of cloth.

There are different factors that influence how easily a stain will come out of a material such as:

the type of material the detergent used the temperature of the water

Assuming the temperature is held constant and the type of detergent is being tested, the only thing other thing to control is the type of material.

The students used separate cloths instead of identical ones which meant that a significant variable was not controlled.

In conclusion, the students should use separate but identical pieces of cloth so that the type of material would not impart their experiment.

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What is the independent variable in the graph?

Answers

Answer:

x axis is the independent variable

Explanation:

In humans, excess blood glucose is stored in the liver and in muscle tissue in the form of glycogen Glycogen is a long chain of
glucose molecules bonded together. Because of this, glycogen is called a
A) lipid
B) monosaccharide
C) polysaccharide
D) protein

Answers

C) polysaccharide
(hope this helped)

What layer is on the center of the Earth

Answers

Answer:

The core

Explanation:

At the center of the Earth is the core, which has two parts. The solid, inner core of iron has a radius of about 760 miles (about 1,220 km), according to NASA. It is surrounded by a liquid, outer core composed of a nickel-iron alloy.

Every time the planet reinvents itself its inhabitants adapt and evolve. Explain how Ichthyosaurs evolved from land dwelling reptiles. How long did Ichthyosaurs rule the oceans?

Answers

Answer:

Ichthyosaurs lived from Triassic to Middle Cretaceous approximately 250 million years ago until 110 million years ago

Explanation:

Ichthyosaurs evolved during the early Triassic period from land reptiles. This group was characterized by a spindle-shaped body, a shoulder girdle connected to a streamlined skull, two pairs of limbs, and digit-like bones. Moreover, Ichthyosaurs drew oxygen from the atmosphere (i.e., like marine mammals). Utatsusaurus is the oldest known Ichthyosaur species and it lived during the Lower Triassic. ln the same way to the land reptiles, Utatsusaurus had a pelvic girdle attached to the spine, and an equal length between the humerus and femur.

What type of weather is Idaho experiencing? (Northwest United States)

A Clear skies and sunny weather due to a low pressure system b Heavy precipitation and clouds due to a low pressure system c Heavy precipitation and clouds due to a high pressure system d Clear skies and sunny weather due to a high pressure system

Answers

Answer:

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two.

Explanation:

identify four types of information you learned about living things when you study biology

Answers

Biology examines the structure, function, growth, origin, evolution, and distribution of living things. It classifies and describes organisms, their functions, how species come into existence, and the interactions they have with each other and with the natural environment.

An ion with six protons, seven neutrons, and a charge of 2+ has an atomic number of ________.
An ion with six protons, seven neutrons, and a charge of 2+ has an atomic number of ________.
five
six
seven
four

Answers

Answer:

The atomic number is six.

A proton the nucleus. A neutron the nucleus. An electron the nucleus.

Answers

Answer:

atom iscomposed of three sub-atomic particles

   proton

   neutron

   electron  

           

           Protons and neutrons make up the nucleus of the atom, a dense and positively charged core, whereas the negatively charged electrons can be found around the nucleus.

Explanation:

Answer:

proton

  neutron

  electron  

Explanation:

sunlight can be considered a food resource

Answers

Answer:

yes it can

Explanation:

cause it creates

Answer:

Depends. I mean, the sun is necessary for our survival, since it's the thing that allows for plants to grow. I guess you can consider it a food resource.

What is the process by which heat energy gets to Earth from the Sun

Raditation

Answers

Answer:

Radiation is the transfer of heat energy through space by electromagnetic radiation.

Explanation:

Most of the electromagnetic radiation that comes to the earth from the sun

1. Was the restoration project effective? Explain why or why not, supporting your answer with information from your data tables and graphs. 2. Why was counting the number of species in the area important? In your answer, consider the effect a mangrove habitat has on biodiversity. 3. After five years, the average height of each mangrove species was also measured. Did this information help you better evaluate the success of the restoration project, or did it change your mind? Explain your reasoning.

Answers

Answer:

1-  Yes the restoration was effective because the north beach seeds were replant and in 5 years there was almost 100% regrowth of mangroves. After five years, the average height of each mangrove species was also measured.

2- Yes the counting the number of species in the area was important because it helped figure out how much the storm damaged each beach and it showed how the animals were affected. The effect a mangrove habitat has on biodiversity is by giving animals a home, a place to sleep and shelter.

3- Yes, after five years, the average height of each mangrove species was also measured which helped realize that the restoration project was a success.

BRAINLIEST. Do fish lay eggs?

Answers

Answer:

yes

Explanation:

fishes lay thousands of eggs at one time in fact!!!

Answer:

NO

Explanation: Fish carry there children in a womb. the fish eggs you see in recipes are from cutting a fish open and taking them.

What organelle works with cytoplasm

Answers

Answer:

Some of the most important organelles that cytoplasm contains are the ribosomes, mitochondria, proteins, the endoplasmic reticulum, lysosomes, and the the Golgi apparatus

hope this helps :)

Explanation:

When does the first quarter phase of the moon occur?
Select one:
a. three weeks after the new moon phase
b. one week after the full moon phase
c. two weeks after the third quarter phase
d. two weeks after the new moon phase

Answers

Answer:

l think

b. one week after the full moon phase

When the population of rabbits falls to 400, what will be the population of foxes if the trend continues?

A) 400
B) 500
C) 600
D) 700

Answers

Answer:

400?

Explanation:

because if the foxs dont have food then they will starve and die as well

13. List the properties that ocean water has due to the fact that it contains salt

I

Answers

Answer:

sodium chloride, magnesium, sulfate, calcium, potassium, as well as dissolved gases, including nitrogen, oxygen, and carbon dioxide.

Explanation:

Ocean water little a lower freezing point, and higher electrical conductivity due to salt.

What is ocean water?

Seawater has special qualities such as being salted, having a little lower freezing point than freshwater, being significantly denser, having a lot higher electrical conductivity, and being slightly basic.

The two ions that are most often found in seawater are sodium and chloride. Over 90% of the dissolved ions in saltwater are made up of chloride and sodium.

Seawater has a salinity of around 35 parts per thousand of salt. 96.5 percent of seawater is made up of pure water, 2.5 percent salt, and minor quantities of dissolved inorganic and organic compounds.

Therefore, due to salt ocean water has higher electrical conductivity and other properties.

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Which of the following is part of the biochemical cycle (A) Carbon tapped on the ocean floor. (B) Helium gas escaping into space (C) Lava flowing from an active volcano (D) Solar radiation traveling to earth

Answers

C. Lava Flowing from an active volcano

Which is the best example of water regulating an organism’s body temperature? a jogger sweating after a run a fish passing water over its gills a deer taking a drink from a stream a leaf using water for photosynthesis

Answers

Answer: A.  Jogger sweating after a run.

Explanation: I took the quiz. ;)

The best example of water regulating an organism’s body temperature is a fish passing water over its gills, which is the second option, as the fish gill maintains the body temperature and maintains the oxygen and carbon dioxide concentrations too.

What is the significance of the water-regulating system in an animal body?

The water-regulating system in an animal body maintains homeostasis in the body, such as electrolytes homeostasis, such as ions such as sodium and potassium in body fluids, and the lungs ,skin, play a role in regulating water balance through respiration and sweating to maintain temperature of the body.

Hence, the best example of water regulating an organism’s body temperature is a fish passing water over its gills, which is the second option, as the fish gill maintains the body temperature and maintains the oxygen and carbon dioxide concentrations too.

Learn more about the water-regulating system here.

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What is the hypothesis of this experiment

Answers

The hypothesis in the scientific method in the scientific method, whether it involves research in psychology,biology,or some other area ,a hypothesis represents what the researchers thinks will happen an experiment
A hypothesis experiment is to guid an experiment. A hypothesis is a scientific explanation to that experiment or observation

Which of the following is NOT a subatomic particle of an atom?
Neutron
Nuclear wall
Proton
Electron

Answers

the answer would be nuclear wall.

Answer: nuclear wall

Which statement is true about the forces involved in an ornithopter and a pterosaur taking off?
a. Gravity acts on both the ornithopter and the prerosaur,
b.Drag acts only on the ornithopter and not on the pterosaur.
c.Thrust resists the motion of the prerosaur and the ornithopter.
d. Lift is the single major factor in the forward movement of the ornithopter.



plzzzzz help I need a better grade​

Answers

Answer:

I think its a if not b

Explanation:

What is the difference between the velocity and the speed of an object?
-:---:--


Velocity is the change in distance over time, while speed is the change in velocity overtime.


Velocity has a direction associated with it, while speed has no specific direction.

Velocity has no direction associated with it, while speed has a specific direction.

Velocity is the change in speed over time, while speed is the change in distance over time.

Answers

The difference is the second answer choice.

A range of different things is called?

Answers

Answer:

disstance

Explanation:

the reason why it is called that because they mean the both thing but they are just diffirent words

What is the term for changes in the internal or external environment that cause a response?

A. stimuli
B. signals
C. messages
D. nerves

Will give brainlest for quick and correct answer

Answers

Answer:

A

Explanation:

It is a detectable change in the physical or chemical structure of an organism's internal or external environment. Although stimuli commonly cause the body to respond, it is the CNS that finally determines whether a signal causes a reaction or not.

Answer:

Stimuli

Explanation:

In physiology, a stimulus (plural stimuli or stimuluses) is a detectable change in the physical or chemical structure of an organism's internal or external environment. ... Although stimuli commonly cause the body to respond, it is the CNS that finally determines whether a signal causes a reaction or not.

CAN SOMEONE HELP PLEASE

Answers

Alternative energy is better than traditional sources of energy because it’s better for the environment. Alternative energy creates less pollution opposed to traditional energy creates more pollution.

What conclusion from the study of Mesopotamia can be used in irrigation practices today?
A.Continuous irrigation is a good thing.
B.Irrigation methods with the least impact on the water table may be beneficial.
C.Irrigation should not be used in hot climates,
D.Farming should not be done in hot climates.

Answers

Answer:B

Explanation:

Mesopotamia has been the Western Asian region that is known for early civilization. The method that has the least impact on the water table is the best irrigation method. Thus, option B is correct.

What are Mesopotamian irrigation practices?

Mesopotamian irrigation practices have been the use of canals and shadufs for direct use in agricultural fields. They irrigated their land by digging holes and storing the water. They also built canals and connected them to the ditches.

For modern practices, the Mesopotamian irrigation system is a model as it defines the best irrigation method to be the one that has the least impact on the water content and table.

Therefore, option B. the best irrigation method is that uses the eater most efficiently and does not negatively impact the water table.

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if all the cells of a lion have the complete set of dna, why cant the leg bone cells ever become stomach cells? (grade 9)

Answers

They can’t change from bone to stomach cells. Once the cell has a dna set it will become what that dna is set for it to become and can’t change.

Googgles are worn during science experiments

Answers

Answer:

yes

Explanation:

So chemicals don't get in your eyes.

Answer:

goggles sre worn so that a person can be saved from any chemical bomb or side affects

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