Answer:
B I think sorry if I get this wrong
What object is shown in this image?
a nebula
a red giant
a supernova
a neutron star
The object shown in the given image is a nebula. Therefore, option A is correct.
What is a nebula?A nebula can be described as a distinct luminescent of the interstellar medium, which can contain neutral, ionized, or molecular hydrogen and cosmic dust. In these regions, the formations of dust, gas, and other materials "clump" to form denser regions, which attract matter, and become dense enough to form stars.
There are several formation mechanisms for the different kinds of nebulae. Some nebulae are formed from gas that is in the interstellar medium while others are formed by stars.
Star-forming regions can be defined as a class of emission nebula with giant molecular clouds. These produce a molecular cloud that collapses under its weight, producing stars.
Most nebulae have vast sizes while some are hundreds of light years in diameter. The Orion Nebula is the brightest nebula in the sky and occupies an area twice as the full Moon, and can be viewed with the eye.
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based on the following chart,which statement
below is not true
Answer:
D) The particles in lead are more spread out than those in corn oil.
Explanation:
The higher density an object has, the less spread out the particles in the object is. SInce lead's density is 11.35 and corn oil's density is 0.90, corn oil's particles would be more spread out.
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How much power is indicated by each example?
Answer:
The first is five and the second is ten
Explanation:
Science questions answer to get 20 points
Answer: (Q1) B. (Q2) D. (Q3) B. I believe (Q4) C.
Explanation: (Q3) B the medulla isn't playing a physical part in digestion as much as it controls the process this is a educated guess
Where is the DNA stored in a cell?
Answer: nucleus
Explanation:
What are all the breeds of dogs and how many breeds of dogs are there?
Answer:
In the United States alone, the AKC's dog breed list currently includes 190 dog breeds. Worldwide, the FCI lists 360 officially recognized breeds.
Explanation:
“Salt Crystal Experiment”
Draw a model to describe the atomic composition of salt before the experiment and then show how it changed after the experiment.
Answer:
hope its useful ... for u
Explanation:
this is drawn by me digitally
Please help with this science assignment
What happens to the atoms that make up hydrogen fuel as it burns?
Answer:
When hydrogen fuel burns, its atoms combine with oxygen atoms in the air, which creates a chemical reaction that releases energy in the form of heat and light. The hydrogen atoms lose their outermost electrons, becoming positively charged ions (protons). These ions combine with the oxygen atoms to form water molecules (H2O), which evaporate into the air as steam. Therefore, the atoms that make up hydrogen fuel ultimately become part of water molecules during the process of combustion.
Explanation:
Help me and mother toad will bless you forever
Balance each equation
1. _2__Na + ___MgF₂ _2__NaF + ___Mg
2. ___Mg + ___HCl ___MgCl₂ + ___H₂
3. ___Cl₂ + ___KI ___KCl + ___I₂
4. ___NaCl ___Na + ___Cl₂
5. ___Na + ___O₂ ___Na₂O
6. ___Na + ___HCl ___H₂ + ___NaCl
7. ___K + ___Cl₂ ___KCl
I need help, someone please help me
Answer:
c) the panda eats both plant and animal: fish and bamboo
d)it shows direction of feeding, the one below is fed on by the one above
In this activity, you will investigate how the motion of objects of different masses is affected when the same force is applied to them. You will use the scientific method to set up your experiment. Question__________________________________.
Answer:if a bot walks up to you what do you do
Explanation:
you slap the F out of them
The __________ you run on will move your body in different ways because it offers different kinds of force.
A.
location
B.
shoes
C.
surface
D.
sea-level
*<3 pls answer quick :)*
Answer:
C
Explanation:
In this question it states that it moves your body in different ways, like when on a run in a forest, there are inclines, declines, twists, and turns, making your body move and function in different ways
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Write a 4 paragraph essay explaining the types of asexual reproduction and the advantages and disadvantages of each. Include descriptive text in each and diagrams at the end if you would like.
(It's ok, to use online resources for information, but the essay must be in your own words in order to demonstrate understanding of the content.)
Answer:
Explanation:
There are different types of asexual reproduction:
Binary Fission
Budding
Fragmentation
Vegetative Propagation
Sporogenesis
Binary Fission
The term “fission” means “to divide”. During binary fission, the parent cell divides into two cells. The cell division patterns vary in different organisms, i.e., some are directional while others are non-directional. Amoeba and euglena exhibit binary fission.
It is one of the simplest and uncomplicated methods of asexual reproduction. The parent cell divides into two, each daughter cell carrying a nucleus of its own that is genetically identical to the parent. The cytoplasm also divides leading to two equal-sized daughter cells. The process repeats itself and the daughter cells grow and further divide.
Fragmentation
Fragmentation is another mode of asexual reproduction exhibited by organisms such as spirogyra, planaria etc. The parent body divides into several fragments and each fragment develops into a new organism.
Regeneration
Regeneration is the power of growing a new organism from the lost body part. For eg., when a lizard loses its tail, a new tail grows. This is because the specialized cells present in the organism can differentiate and grow into a new individual. Organisms like hydra and planaria exhibit regeneration.
Budding
Budding is the process of producing an individual through the buds that develop on the parent body. Hydra is an organism that reproduces by budding. The bud derives nutrition and shelter from the parent organism and detaches once it is fully grown.
Vegetative Propagation
Asexual reproduction in plants occurs through their vegetative parts such as leaves, roots, stems, and buds. This is called vegetative propagation. For example, potato tubers, runners/stolon, onion bulbs, etc., all reproduce through vegetative propagation.
Spore Formation
Spore formation is another means of asexual reproduction. During unfavourable conditions, the organism develops sac-like structures called sporangium that contain spores. When the conditions are favourable, the sporangium burst opens and spores are released that germinate to give rise to new organisms.
In asexual reproduction, a single cell is divided to produce offspring. Simple cell-by-cell division is not possible in multicellular organisms. Most of the multicellular organisms have a complex body design. They have a higher level of organization like tissues, organs and organ systems. Thus, they need a special mode for reproduction.
Advantages of Asexual Reproduction
Following are the advantages of asexual reproduction:
Mates are not required.
The process of reproduction is rapid.
An enormous number of organisms can be produced in very less time.
Positive genetic influences pass on to successive generations.
It occurs in various environments.
Disadvantages of Asexual Reproduction
The major disadvantages of asexual reproduction are:
Lack of diversity. Since the offsprings are genetically identical to the parent they are more susceptible to the same diseases and nutrient deficiencies as the parent. All the negative mutations persist for generations.
Since only one organism is involved, the diversity among the organisms is limited.
They are unable to adapt to the changing environment.
A single change in the environment would eliminate the entire species.
Asexual Reproduction Examples
Following are the examples of asexual reproduction:
Bacterium undergoes binary fission in which the cell divides into two along with the nucleus.
Blackworms or mud worms reproduce through fragmentation.
Hydras reproduce through budding.
Organisms such as copperheads undergo parthenogenesis.
Sugarcane can be grown through vegetative propagation.
Answer:
Explanation: The merging of male and female gametes during fertilization and the presence of two parents constitute sexual reproduction. The offspring differ from each other and their parents because they receive a variety of genes from both parents. The benefits of sexual reproduction include the offspring's ability to adapt to new surroundings due to genetic variation, which gives the species a survival advantage.
It is less likely that the disease will impact every person in a group. There is only one parent in asexual reproduction. The children are exact replicas of their parents and one another. Asexual reproduction has several benefits, including When conditions are favourable, the population can grow quickly because only one parent is required.
E. coli and other bacteria reproduce asexually. This has the benefit of enabling them to quickly create large numbers of bacteria. The identical genetic makeup of every microbe is a drawback. Every one of the germs would perish if an antibiotic were applied. There would be no people left. Random mutation is the sole process that can add variation to the population.
The majority of animals, including rabbits, reproduce sexually. Because the alleles that the mother and father each possess are combined in the offspring, sexual reproduction brings variety to the species. The fact that sexual reproduction requires more time than asexual reproduction is a drawback. Before the development of the progeny, a mate must be located and the egg fertilized with sperm. However, the benefits of adding genetic diversity to the species overcome this drawback. Given the diversity in the population, it's possible that not every rabbit would be afflicted if a disease struck the rabbit population. It follows that some people would live and be able to reproduce and have more children.
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Please draw a diagram of how a magnetic field works around a magnet. Please label.
Ocean waves are just one example of waves that can be used to study the properties of waves. Other examples include the ringing of a bell and the impact of an earthquake.
Can you think of other examples?
Answer:
Light, sound, and waves in the ocean are common examples of waves. Sound and water waves are mechanical waves; meaning, they require a medium to travel through. The medium may be a solid, a liquid, or a gas, and the speed of the wave depends on the material properties of the medium through which it is traveling.
Explanation:
hope this helps
Answer: there are others
Explanation: there are lght,sound amd ocean waves
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Answer:
Pecan trees 1 and 4
Explanation:
1: 1 and 4
2a: With good soil and good parent plants
2b: Heredity
Answer:
Explanation:
1 and 4
With good soil and good parent plants
Heredity
What is the charge on the Cr in Cr2O72-
Answer:
+6.
Explanation:
So, a chromium atom here has an oxidation number of +6.
PLEASE ANSWER QUICKLY!!!!! Which of the following is NOT a function of your integumentary system?
A) Protecting against infection
B) Synthesizing vitamin D
C) Maintaining Fluid Balance
D) Stabilizing blood pressure
Answer: Must be a trick question.
Explanation: All of these are a function of the integumentary system.
What is a disadvantage for organisms that reproduce asexually rather than sexually?
Responses
The offspring receive less genetic material.
The offspring receive less genetic material.
The offspring take more time to grow and develop.
The offspring take more time to grow and develop.
The offspring resemble the parent, which makes it difficult to distinguish them from each other.
The offspring resemble the parent, which makes it difficult to distinguish them from each other.
The offspring are genetically identical to each other, which reduces their ability to adapt to any changes in the environment.
Answer:
The offspring are genetically identical to each other, which reduces their ability to adapt to any changes in the environment.
Explanation:
If there was a disease (as an example) that negatively effected both organisms that reproduce asexually and sexually, the organisms that reproduce asexually would have a disadvantage. Offspring of the organisms that reproduce sexually contain the genetic material of both parents. This would lead to a higher chance of the ability to adapt to any changes, or even a chance of being immune to that disease. However, offspring of the organisms that reproduce asexually are only replicates of the parent. This means that the asexually produced offspring and the parent organism could be harmed more than the sexually produced offspring and parent organism. The organism would have reduced abilities to adapt according to the changes in the enviroment.
The major disadvantage for organisms that reproduce asexually is option 4 that the offspring are genetically identical to each other, which reduces their ability to adapt to any changes in the environment.
Asexual reproduction is a type of reproduction where only a single parent is involved in creating offspring. The offspring reproduced are genetically identical to the parent. while this form of reproduction has many advantages including rapid and quick reproduction, it posses some major drawbacks as well.
As the genetic diversity is absent in asexual reproduction, adapting and surviving in the dynamic environment is tough for the offspring. Difficulty in catching up with the changing circumstances can sometimes lead to harm to upcoming species.
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HELP ASAP!! An experiment is performed in which a crystalline substance is added to a beaker filled with room-temperature water. The following observations were made:
1. The crystals dissolve.
2. A precipitate forms.
3. The bottom of the beaker feels warm to the touch.
4. Bubbles begin to form in the water.
Which observations are evidence that a chemical reaction took place?
Answer:
observations (2), (3), and (4) provide strong evidence that a chemical reaction occurred.
Explanation:
Observations (2), (3), and (4) are evidence of a chemical reaction because a precipitate formed, energy was released (the bottom of the beaker felt warm), and bubbles were formed in the water. Observation (1) indicates a physical change, not a chemical reaction.
What is NOT true about genes and chromosomes?
Genese are located on chromosomes
Chromosomes are in the nucleus
A single chromosome can contain hundreds of genes
All of these are true
Let us go option by option :
1) Genes are located in chromosomes. TRUE
Chromosomes are in cell nucleus. A chromosome contains hundreds and thousands of genes. A normal have 23 pairs of chromosomes, and a total of 46.
2) Chromosomes are the in nucleus.
TRUE
Chromosome is structure found in nucleus of the cell. It is made up of protein and DNA.
3) A single Chromosome can contain hundreds of genes.
TRUE
single Chromosome can contain hundreds of tgenes.
4) All of the above
TRUE
As all the statements above are true. The correct option is 4.
Answer:
all of them are true
Explanation:
this is because chromosomes contain genetic materials and it is present in the nucleus.
Therefore, the correct option is 4) all of these are true
no problem
What is the main way viruses cause disease in the body
A. By feeding directly on your body parts
B. By using your body's cells to make new viruses
C. By absorbing nutrients from your bloodstream
D. By breaking down your body's cells for nutrients
Answer:
the answer is B
Explanation:
this is because viruses need to enter a host cell to start reproduce. they usually use your cell to create "virus making factories".
hope it helps
no problems
atoms and molecules are made up of
Les atomes sont composés de protons, électrons et neutrons.
Explain why stomach acid must be neutralized after it leaves the stomach.
Can somebody help me with this, please? Please Asap
Answer:
im not sure what exactly you want? if its answering the questions then search up each one and rephrase the answers you get, for instance for mitochondria is the powerhouse of the cell. just write something simple thats what i did when i had to do something like this it took only a couple of minutes
Explanation:
The Organelles help the cell to function efficiently.
What are the organelles in the cell?I can see that your question has to do with the organelles in the cell but I don't quite get the analogies that you intend to use. However, I would explain the organelles one after the other.
Endoplasmic reticulum: The endoplasmic reticulum (ER) is a network of membranous tubes and sacs within the cytoplasm of eukaryotic cells. It serves as a transport system for proteins and lipids, as well as a site for folding and modification of newly synthesized proteins.
Ribosomes: Ribosomes are complex molecular machines that are found in the cytoplasm of all living cells. They are responsible for synthesizing proteins from amino acids, which are the building blocks of proteins.
Mitochondria: These are organelles found in the cytoplasm of eukaryotic cells. They are often referred to as the "powerhouses" of the cell because they are responsible for producing most of the cell's energy in the form of ATP (adenosine triphosphate).
Vacuole: Vacuoles are membrane-bound organelles found in eukaryotic cells. They are large, fluid-filled compartments that serve several important functions within the cell, including storage of nutrients and waste, regulation of the cell's water balance, and maintenance of cell shape.
Cytoplasm: Cytoplasm is the gel-like substance that fills the interior of eukaryotic cells, excluding the nucleus. It is a complex mixture of water, ions, organic molecules, and a variety of cellular structures, including organelles such as mitochondria, ribosomes, endoplasmic reticulum, and lysosomes.
Lysosomes :Lysosomes are membrane-bound organelles found in eukaryotic cells. They are referred to as the "garbage trucks" of the cell because they are responsible for breaking down and recycling cellular waste and unwanted material.
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(Science)
pls help, due today in 2 hours and have alot more to do
You push a sofa, but you can't get it to move by yourself. Why?
A. You have more inertia than the sofa.
B. There is no inertia because the sofa is not moving.
C. Your force is stronger than the friction between the sofa and the floor.
D. The sofa's inertia is greater then your applied force.
Answer:
D.The sofa's inertia is greater then your applied force.
Compare and contrast the alkaline battery and a Zinc carbon battery. put in some other facts about them too. write somewhere around 2 paragraphs.
I'll mark brainlyest to whoever has the best answer and give them 50 points for helping me.
On this number line, zero represents sea level. Plot the following points based on the description provided by dragging and dropping the dots to the appropriate locations on the number line.
greatest common factor of 8 and 12
where does this go on the number line