Answer:
K,L,M,N are examples of shells in Bohr's atomic model.
Which is an advantage of using gymnosperms as a decorative outdoor plants around homes and businesses
Answer:
most of them stay green all year.
Explanation:
Gymnosperms are preferred for the purpose of outdoor decoration because most of them are evergreen.
What are evergreen plants?The evergreen are those plants that remain green throughout the year. They are very useful for the purpose of decoration because of the nice green leaves they have all year round.
Now, most gymnosperms are evergreen plants hence gymnosperms are more palatable for use in decoration.
Learn more about gymnosperms: https://brainly.com/question/4526473
PLEASE HELP!!!! 20 POINTS!!!!
Which event can cause slumps, landslides, and mudflows to occur?
earthquakes
hurricanes
snowfalls
thunderstorms
Answer:
earthquakes
Explanation:
Answer:
earthquakes
Explanation:
because it is muddy
Which process CANNOT occur without carbon dioxide
Answer:
photosynthesis
Explanation:
:)
PLEASE HELP WILL CHOOSE BRAINLIEST
Choose all of the following that would require active transport to pass through the membrane
hydrophobic molecules
Polysaccarides
Proteins
Carbon dioxide
Oxygen
Large polar molecules
Answer:
proteins!
Explanation:
Discuss how the properties of water help Earth support life.
Water Property:
Importance to Life:
Polar molecule:
Hydrogen bonding:
Cohesion:
Adhesion:
Surface Tension:
Temperature Moderation:
Low density of Ice:
Universal solvent:
Answer:
One of water’s important properties is that it is composed of polar molecules. The two hydrogen atoms and one oxygen atom within water molecules (H2O) form polar covalent bonds. While there is no net charge to a water molecule, the polarity of water creates a slightly positive charge on hydrogen and a slightly negative charge on oxygen, contributing to water’s properties of attraction. Water’s charges are generated because oxygen is more electronegative, or electron loving, than hydrogen. Thus, it is more likely that a shared electron would be found near the oxygen nucleus than the hydrogen nucleus. Since water is a nonlinear, or bent, molecule, the difference in electronegativities between the oxygen and hydrogen atoms generates the partial negative charge near the oxygen and partial positive charges near both hydrogens.
Explanation:
As a result of water’s polarity, each water molecule attracts other water molecules because of the opposite charges between them, forming hydrogen bonds. Water also attracts, or is attracted to, other polar molecules and ions, including many biomolecules, such as sugars, nucleic acids, and some amino acids. A polar substance that interacts readily with or dissolves in water is referred to as hydrophilic (hydro- = “water”; -philic = “loving”). In contrast, nonpolar molecules, such as oils and fats, do not interact well with water, as shown in. These molecules separate from it rather than dissolve in it, as we see in salad dressings containing oil and vinegar (an acidic water solution). These nonpolar compounds are called hydrophobic (hydro- = “water”; -phobic = “fearing”).
The properties of water help Earth support life helps in various ways. Most of the role of the water in supporting life is because of its molecular structure which causes its specific properties.
Water is a simple molecule made of two small, positively charged hydrogen atoms and one large negatively charged oxygen atom.
Polar molecule: The charge difference between the positive charge on one side and the negative charge on the other side form an asymmetrical molecule called a polar molecule that interacts with different molecules. Hydrogen bonding: Due to hydrogen bonding water has various life-supporting properties by the interaction of various molecules. Cohesion: water molecules attract other water molecules in a property called cohesion that plants take up water at their roots and it affects boiling point regulates body temperature of animals. Adhesion: Attraction to other molecules called adhesion that helps in binding with different types of molecules Surface Tension: surface tension of water is similar to the cohesion Temperature Moderation: water's heat capacity or specific heat prevent immediate temperature changes Low density of Ice: helps ice to flow on water not to immerse. Therefore life under the ice can be maintained. Universal solvent: makes water dissolve with other molecules and make a life-sustaining force that helps cells transport and use substances like oxygen or nutrientsThus, water is essential for supporting life and survival.
Learn more about water:
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If a male horse has 64 chromosomes in his body cells, how many chromosomes are in each of his sex cells?
16
32
64
128
Which of the following is a function of the sinuse?
Answer:
The possible roles of the sinuses may include reducing the weight of the skull; dampening pressure; humidifying and warming inspired air; absorbing heat and insulating the brain; aiding in sound resonance; providing mechanical rigidity; and increasing the olfactory surface area.
Explanation:
What happens to a snail/slug if you pour salt on it? why would this happen?
Answer:
When you pour salt on a snail/slug the water is very quickly pulled out of the cells of the snail's body by a process called osmosis. As it dries out, the snail's body produces a slimy substance to protect itself. The bubbling comes from the slime and air being forced out of the snail's body as it shrivels up. If enough salt is poured on the snail it will die of dehydration very quickly.
How does surface area describe a cell?
Answer:
As the radius of a cell increases, its surface area increases as the square of its radius, but its volume increases as the cube of its radius (much more rapidly). Therefore, as a cell increases in size, its surface area-to-volume ratio decreases.
Explanation:
Answer:
As the radius of a cell increases, its surface area increases as the square of its radius, but its volume increases as the cube of its radius (much more rapidly). Therefore, as a cell increases in size, its surface area-to-volume ratio decreases.
Explanation:
Enzymes act as catalyst what does it mean to be a catalyst
A person or thing that precipitates an event or change: His imprisonment by the government served as the catalyst that helped transform social unrest into revolution. a person whose talk, enthusiasm, or energy causes others to be more friendly, enthusiastic, or energetic.
Answer:
It means that it lowers the activation energy of a reaction and can be used again.
Explanation:
A catalyst is a substance that allows the chemical reaction to occur at a faster rate or under different conditions (e.g. at a lower temperature) without being affected by the reaction.
The activation energy is the minimum energy required for the reaction to occur. Catalysts lower this energy and can be used again, which is why the last option is the correct one.
enzymes are an example of which main class of organic compounds.
(carbohydrates, lipids, proteins, or nucleic acids
Answer:
Proteins
Explanation:
Enzymes are an example of a class of organic compounds called proteins.
PROTEINS:
Proteins are one of the four major biological molecules in nature (others being carbohydrates, lipids and nucleic acids). Proteins play vital roles in living organisms, which includes regulating biochemical reactions, repair of structures etc. Enzymes are biological catalysts that helps to regulate the rate of a reaction. Enzymes are proteinous in nature i.e. they are made of proteins. Therefore, enzymes are an example of a class of organic compounds called proteins.Learn more at: https://brainly.com/question/22241855?referrer=searchResults
Why do scientists conduct experiments?
A. To test a hypothesis.
B. To test a conclusion,
C. To explain an observation.
D. To test their results.
Answer:
A).
Explanation:
In the scientific method, an experiment is an empirical procedure that arbitrates competing models or hypotheses. Researchers also use experimentation to test existing theories or new hypotheses to support or disprove them.
Using Newton's laws explain why heavier objects require
more force than lighter objects to move or accelerate them?
Answer: Something with more mass moving at the same acceleration as a lighter object would require more force to change its speed or change its direction.
Explanation:
Why is there Cholesterol in your cell membrane?
Answer:
Cholesterol functions to immobilise the outer surface of the membrane, reducing fluidity. It makes the membrane less permeable to very small water-soluble molecules that would otherwise freely cross. It functions to separate phospholipid tails and so prevent crystallisation of the membrane.
Explanation:
The atomic number of the element fluorine is 9. The isotope Fluorine-18 has a mass of 18 and fluorine-19 has a mass of 19. What is the reason for their mass differences?
Answer:
Atomic mass is made up by the electrons protons and neutrons in an element. The reason for the mass differences are because of the varying number of electrons.
Which of the following is a description of trait of a country with a high
carrying capacity?
O A. Food grown on land near homes
B. Spending hours per day collecting water
C. Easy access to safe drinking water
O D. Very little access to refrigeration
SOMEONE PLEASE HELP ME IM STUCK ON THIS PLEASEEEE
Answer:easy access to safe drinking water
Explanation:
2H2 + O2 + 2H2O
In this chemical equation, there are two Hz molecules and
Oz molecule
present in the reactants (the
_). The arrow represents the reaction
occurring. After the reaction, two water
are produced
It is important to point out that during a chemical reaction, the amount of an element
present in the reactants will be
to the amount in the products.
For example, if you start with two oxygen atoms, you will end with
oxygen
atoms. Similarly, if you start w 4g of hydrogen, you will
4g of
hydrogen. The total mass of materials
the total mass of products.
This is known as the Law of
of
During
a reaction, matter can neither be
nor
only
changed in form.
Broken
Equations
left
Chemicals
equal
matter
produced
Conservation
equals
mixtures
produce
created
formed
molecules
reactions
destroyed
ingredients
new
reacting
one
two
Answer:
Hydrogen peroxide is the best way to use it
Explanation:
What is the relationship between the structure of a muscle cell and if function
Answer:
The two major proteins, actin and myosin, appear in muscle cells
Explanation:
Help I need help on this one
Answer:
C. Chloroplasts
Explanation:
cellular respiration is the process of taking what and oxygen to produce 38 ATP and some heat?
a.) Glucose
b.) Muscles
c.) Glycolysis
d.) anaerobic
e.) Fermentation
f.) Animal
g.) Plant
It was explained (Very Weirdly) in the khan academy video linked.
A hydrocarbon contains
Answer:
I think it's hydrogen and carbon atoms
Answer:
Hydrocarbon contains of Hydrogen and carbon atoms.
Explanation:
In the case of this molecular structure, it is exactly what it sounds like.
What is the facilitated diffusion of water through a selectively
permeable membrane?
Answer:
Osmosis
Explanation:
In mice, there are three options for fur color: black,grey and white. What type of inheritance is shown by these mice?
A. Simple
B. Co-dominance
C. Incomplete dominance
D. Sex linked inheritance
Answer:
C. Incomplete dominance
Explanation:
Incomplete dominance is a type of non-mendelian inheritance in which one allele does not completely mask the phenotypic expression of the other allele in a gene, hence, the blending of both alleles give rise to an intermediate third phenotype.
According to this question, there are three options for fur color in mice namely: black, grey and white. This is so because the alleles for black and white coloration exhibits INCOMPLETE DOMINANCE, hence, they produce a third phenotype (grey) that is a blend of both parental phenotypes.
Which of the following would be considered a human activity with a positive impact on the environment?
Explain Why is there a net gain of onlý two ATP
molecules in the glycolysis of one six-carbon glucose?
Answer:
While 4 molecules of ATP are produced in total, 2 were used to convert glucose to the reactive fructose-1,6-bisphosphate
Thus, 4 ATP- 2ATP= 2ATP
Explanation:
In the cytoplasm, cellular respiration starts, where glucose is broken down for energy production. in the presence of oxygen, energy is produced through aerobic respiration, while in an oxygen-deprived environment, anaerobic respiration can be carried out.
Glucose is a relatively stable molecule, thus in order for the pyruvate-producing reaction to occur, the molecule undergoes phosphorylation through the addition of high energy phosphate groups to drive the reaction forward.
Pyruvate is generated through glycolysis in the cytoplasm-it is oxidized to form acetyl CoA in aeroboc respration also used in fermentation (anaerobic respiration) as an electron acceptor.
Plz Help!!!
Which fossil fuel has had the most significant influence on human transportation over the last century? (1 point) hydrogen coal natural gas petroleum
Answer:
Petroleum.
Explanation:
I was also thinking natural gas but petroleum has had more of an influence on transportation and has been used more.
Answer: D. Petroleum
Explanation: Petroleum, or crude oil, is another fossil fuel that has had a significant influence on human activity. Petroleum is a liquid found beneath Earth's surface. It can mined or drilled and refined into products including gasoline and diesel oil. It is the largest source for energy consumption in the United States. Hope this helps! ^_^
Which two are necessary for a functional ecosystem?
A. Herbivores
B. Carnivores
C. Producers
D. Decomposers
Answer:C and D
Explanation:
Answer: C & D
Explanation:
Producers start the cycle off by creating food from the energy from the sun. Then decomposers are the last on the cycle. They recycle all the leftover nutrients.
which geometric solid is the best model for the cell in the bottom two layers of cells?
a. a sphere
b. a flat disk
c. a square pyramid
d. a cube
Answer:
The correct answer is option D. cube.
Explanation:
The image represent the cells similar to the epithelial cells whcih is found in various tissues such as muscle, nervous and many more. These cells are found in cuboidal, columnar and squamous sha[es which found in normally double layer or in multiple layers.
These cells are cube like in structure with a spherical nucleus present in the center of the cell known in assocation of various cells.
which geometric solid is the best model for the cell in the bottom two layers of cells?
a. a sphere
b. a flat disk
c. a square pyramid
d. a cube
Answer: Cube
Body waves are seismic waves that travel through the middle of the Earth; surface waves are seismic waves that travel along the surface of the Earth. * True False
Answer:
True
Explanation:
It is correct that body waves travels through the middle of the earth and surface waves travels along the surface.
Seismic waves are elastic waves that are produced when the earth is disturbed. There are two categories of the wave which are body and surface waves. Body waves are the P and S - waves that travels through the earth. Surface waves are the love and Rayleigh waves which moves on the surface.Answer:
False on Edg 2022
Explanation:
The diagram above shows the process of meiosis. The segregation that occurs during meiosis results in a -
a. group of genetically identical cells
b. single fertilized egg cell
c. decrease in the number of cells per organism
d. reduction in the number of chromosomes per cell
Answer:
Its D not b reductions in the number of chromosomes per cell
Explanation:
The segregation that occurs during meiosis as illustrated in the diagram above results in a reduction in the number of chromosomes per cell.
What is meiosis?Meiosis is the division process that results in the formation of daughter cells that are genetically different from one another.
According to this question, the meiotic process is depicted in the diagram above. Four daughter cells are produced as a result of the division process.
However, each daughter cell contains half the number of chromosomes as the parent cell, hence, there is a reduction in the number of chromosomes per cell.
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