5.
What can scientists measure to provide evidence that electrons can move from one energy level to another?
1.the angle of deflection of alpha particles
2.the number of electrons deflected by a thin sheet of gold foil
3.the energy absorbed or released by atoms

Answers

Answer 1
It's number 2. It's an interesting experiment, you can watch multiple on
Answer 2

Answer:

2.the number of electrons deflected by a thin sheet of gold foil

Explanation:


Related Questions

1.Gravity is
found only between the earth and the moon
not found in space, but is only found on earth
a pulling force that exists between all objects in the universe
a force that pushes objects away
2.Which statement is true about a planet’s orbital motion?
Orbital motion results when the object’s forward motion is balanced by a second object’s gravitational pull.
Orbital motion is limited to the moons of the planets and the planets in our solar system.
Orbital motion cannot be achieved with man-made objects.
Orbital motion only occurs when forward motion exceeds the gravitational pull.
3.How does distance affect the gravitational force?
The gravitational force decreases as distance increases.
The gravitational force is not changed by distance.
The gravitational force changes unpredictably with distance.
The gravitational force increases as distance increases.
4.As mass increases, the gravitational force
changes unpredictably
decreases
stays the same
increases

Answers

The force found in space

Answer:

The moon's gravitational pull on the Earth is the main cause of the rise and fall of ocean tides. The moon's gravitational pull causes two bulges of water on the Earth's oceans—one where ocean waters face the moon and the pull is strongest and one where ocean waters face away from the moon and the pull is weakest.

Explanation:

Which statement accurately describes the energy needs for photosynthesis and cellular respiration?

A. Solar energy is needed for cellular respiration but not for photosynthesis.

B. Chemical energy in the form of glucose is needed for both cellular respiration and photosynthesis.

C. Chemical energy in the form of glucose is needed for photosynthesis, and solar energy is needed for cellular respiration.

D. Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration.

Answers

Answer:

D. Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration.

Explanation:

It’s d hope that helped

What part of the cell determines the type and order of the amino acids that make up a protein?

Answers

Answer:

The gene, or sequence of DNA, ultimately determines the unique sequence of amino acids in each peptide chain. A change in nucleotide sequence of the gene's coding region may lead to a different amino acid being added to the growing polypeptide chain, causing a change in protein structure and therefore function.

what shoukd the patient expect to experience living with the disease- Sitius Inversus?? in ur own words

Answers

Answer:

there is a complete mirror image transposition of the thoracic (chest) and abdominal organs , and anterior-posterior (front-back) symmetry is normal. Many affected people have no associated health issues when the condition is isolated.

Explanation:

One ounce is equivalent to
10 grams
20 grams
30 grams
40 grams

Answers

Answer:

30 grams

Explanation:

1 ounce= 28.3495 grams

If you round it, it will be the closest to 30 grams.

Hope this helps!

Mitosis occurs in all the cells of the organism.

Answers

Answer:

Mitosis is the process in cell division by which the nucleus of the cell divides (in a multiple phase), giving rise to two identical daughter cells. Mitosis happens in all eukaryotic cells (plants, animals, and fungi). It is the process of cell renewal and growth in a plant, animal or fungus.

what role does energy play in changing particle motion?​

Answers

Answer:

A rise in temperature increases the kinetic energy and speed of particles; it does not weaken the forces between them. The particles in solids vibrate about fixed positions; even at very low temperatures. Individual particles in liquids and gases have no fixed positions and move chaotically.

Explanation:

Animals store most of their excess energy reserves as ____.

Answers

Answer:

Lipids (Fats)

Aldebaran has an absolute magnitude of -0.6 and temperoture of 4 000 K making it most likely to be a main sequence star

A. True
B. False​

Answers

A.True

Explanation:

hope this help ^^

The two parts of cell theory are 1. All living things are made of cells and 2. Cells cannot reproduce? (true or false). if true why?

Answers

Answer:

1. true

2.false

Explanation:

1.because of the gravity of the earth

What enables neighboring water molecules to hydrogen bond with eachother

Answers

Answer:

Hydrogen bond

Explanation:

The covalent bonds between the oxygen and the hydrogen atoms result from a sharing of the electrons. This is what holds the water molecules themselves together. The hydrogen bond is the chemical bond between the water molecules that holds the mass of molecules together.hope the answer was helpful, mention me as brainliest.
I think the molecules are polar, with each partial positive end (Hydrogen) of one molecule attracted to the partial negative end (Oxygen) of another molecule. The cohesion of water molecules and its high surface tension hold water in droplets.

Based on what you have learned in this activity, will you share the link to that article on
brainpower? Why or why not? What should you tell your friend who originally shared the link
about the article? The next time that you run across a link on social media, what steps will
you take to evaluate it before clicking "share"?
I
Submit

Answers

Answer:

b

Explanation:

yes

Which structures are highlighted? Which structures are highlighted? goblet cells submucosa chondrocytes in lacunae seromucous glands

Answers

The image is not given in the question, so the appropriate image is attached below:

Answer:

goblet cells

Explanation:

Goblet cells are the mucin-secreting glands found within epithelia. Their shape and size look like a goblet, hence named goblet cells, and contain narrow bases and wide apex.

The structure highlighted in goblet cells scattered within epithelia. Goblet cells function for producing mucin, create a protective mucus layer and immunoregulation.

Hence, the correct answer is "goblet cells".

A key difference between plants and animals is the method by which glucose is obtained to be converted to ATP. By what process do most plants obtain glucose for energy?

A. Photosynthesis

B. Ingestion of organic material

C. Aerobic cellular respiration

D. Anaerobic cellular respiration

Answers

Answer:

A. Photosynthesis

Explanation:

Plants absorb co2 and water. Through photosynthesis they create glucose.

Which adaptation helps the arctic fox survive by allowing it to sneak up on its prey undetected?
a bushy tall
b large litter size o ability to eat a wide variety of foods
c white winter coat and brown summer coat​

Answers

Answer:

c - white winter coat and brown summer coat

Explanation:

The white winter coat blends in with the snow during the winter. Similarly, the coat changes to brown once it is summer so that the white coat doesn't stick out.


Which climate zone is hot and receives a lot of precipitation throughout the year?​

Answers

Answer: Tropical

Explanation:

Which statement best describes a solid?
D. Its particles are very far apart.
A. Its particles do not move at all.
C. Its particles can flow past each other.
B. Its particles vibrate in place.

Answers

Answer:

it's particles vibrate in place

Explanation:

They have a fixed volume and shape

It’s b. It’s particles vibrate in place

- Making more cells is needed for growth, development, and _______
repair.

Answers

Answer:

cell

Explanation:

True or false: The offspring of animals who reproduce asexually can be considered identical clones of their parent.

Answers

Answer:

I'm not sure but I think it's

Explanation:

FALSE

I believe the answer is False,but I’m not completely sure!

A certain species of lizard comes in three colors: cream, golden, and brown. All lizards are a single solid color (ie, none ever have spots or stripes) You carry out matings between these lizards, and collect the following data:

• Cream and brown lizards can be true-breeding, but golden lizards never breed true.
• Matings between cream and golden lizards always yield cream and golden offspring in a 1:1 ratio.
• Matings between brown and golden lizards always yields brown and golden offspring in a 1:1 ratio.
• Mating golden lizards with other golden lizards always yields brown lizards, golden lizards, and cream lizards in a ratio of 1:2:1, respectively.

Required:
Assign allele symbols to all alleles of the lizard color gene, and indicate which genotypes result in which phenotypes.

Answers

Answer:

Cream and brown lizards can be true-breeding, but golden lizards never breed true.

Explanation:

Identify the cellular structures where photosynthesis occurs.

Answers

Answer:

Chloroplasts

Explanation:

Photosynthesis occurs in the chloroplast, an organelle specific to plant cells. The light reactions of photosynthesis occur in the thylakoid membranes of the chloroplast.

An aquifer must contain a permeable layer of rock, sand, or soil. Which is true about a permeable rock layer?

Answers

soo! a sloping layer of permeable rock sandwiched between two layers of impermeable rock and exposed at the surface. The permeable rock is called the aquifer, and the top layer of impermeable rock is called the CAPROCK. Well through which water flows freely without being pumped.

i hope this helped! <3

What are the two types of biological interactions?

Answers

Answer:

Intraspecific interactions, where they are the same species, or interspecific interactions, where they are from different species.

Answer:

There are two types of biological interactions, one is harmful interactions and one is helpful interactions.

Explanation:

What is chemosynthesis?
• How do chemosynthetic organisms get energy? Some examples of organisms include colorless sulfur bacteria, iron bacteria, and giant tube worms (Riftia parchyptila).

Answers

Answer:

By making reactions between elements or compounds.

Explanation:

Sulfur bacteria use sulfur as their main source of energy. We can say that they eat sulfur as you eat a burger or a fruit salad. This is the samething for iron bacteria.

Which statement best describes the initial process of N-linked glycosylation in the endoplasmic reticulum

Answers

Answer:

The oligosaccharide is assembled on the lipid carrier at the membrane of the ER

Explanation:

N-linked glycosylation consists of the attachment of an oligosaccharide (glycan) to a nitrogen atom of the asparagine (Asn) residue in the protein. N-linked glycosylation is a key posttranslational modification (PTM) capable of controlling protein structure and function, this pathway takes place in the plasma membrane in archaea organisms and in the membranes of the endoplasmic reticulum (ER) in eukaryotic organisms. In eukaryotic cells, the N-linked glycosylation conserved pathway consists of two steps. In the first place, the oligosaccharides are assembled on a lipid carrier called dolichyl pyrophosphate localized in the endoplasmic reticulum (ER). The dolichyl-phosphatase is a hydrolase enzyme that acts on phosphoric monoester bonds. Second, the oligosaccharides are modified by specific glycosyltransferases that transfer these molecules to selected Asparagine (Asn) acceptor residues of polypeptide chains that have entered the lumen of the ER. These N-glycans are firstly assembled as a dolichol-linked precursor oligosaccharide at the cytoplasmic face of the ER.

What adaptations allow conifers to live in dry
habitats?

Answers

Answer:

Explanation: Long, thin needles to reduce the surface area of their leaves, the leaves' waxy outer covering, and leaf openings in cavities on the surface of the leaves to reduce water loss by evaporation.

Long, thin needles to reduce the surface area of their leaves, the leaves' waxy outer covering, and leaf openings in cavities on the surface of the leaves to reduce water loss by evaporation.

In the figure, X is pointing to a building block of DNA. Which of these correctly labels X?

A. Amino acid
B. Nucleotide
C. Polysaccharide
D. Pyrimidine

Answers

Answer:

Nucleotide

Explanation:

I took the test and it was right.

The name of the building block of DNA that is depicted by X in the attached image is nucleotides.

DNA:

DNA or deoxyribonucleic acid is a biological molecule that stores genetic information in living cells.

DNA molecule is a biological polymer and hence, is made up of monomers called nucleotides. Nucleotide is the subunit of a DNA molecule.

Nucleotide is made up of three components namely: nitrogenous bases, phosphate group and pentose sugar.

In the image attached to this question, X is used to represent the building block of DNA, hence, it is a nucleotide.

Learn more at: https://brainly.com/question/22499464?referrer=searchResults


(nutrient Cycles)

1. described what "carbon-based life"
means:

2. what causes carbon to return to the atmosphere in a very short time?

3. if one or more nutrients are missing in soil what could happen to the plants?

4. in salt water, blank causes algal blooms whereas in freshwater blank algal blooms.​

Answers

1. When we say life is carbon based, we mean that our skin, hat and cells are all made out of molecules that contain large amounts of carbons. Carbon atoms form the backbone of almost all the important biological molecules in our bodies ( except water ).

Match the following terms describing the physical/mecahnical events with the correct phases of the cardiac cycle. Each phase may be used more than once.Question Selected MatchAll 4 cardiac valves are closed and all 4 chambers are relaxed during this phase.The maximum amount of blood is in the ventricles at the end of this phase.The pressure in the ventricles is higher than in the atria, but lower than in the arteries, during this phase.The semilunar valves are open and the AV valves are closed during this phase.The atria contract at the end of this phase.The pressure in the ventricles is higher than the pressure in both the atria and the arteries during this phase.Systole begins with this phase.All Answer ChoicesA.ventricular ejectionB.ventricular fillingC.isovolumetric relaxationD.isovolumetric contraction

Answers

Answer:

1. Isovolumetric relaxation.

2. Ventricular filling.

3. Isovolumetric contraction.

4. Ventricular ejection.

5. Ventricular filling.

6. Ventricular ejection.

7. Isovolumetric contraction.

Explanation:

In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.

Generally, the cardiac cycle occurs in two (2) stages;

Diastole: in this stage, the ventricles is relaxed and would be filled with blood. Systole: at this stage, the muscles contracts and thus, allow blood to be pushed through the atria.

The following terms describe the physical or mecahnical events with the correct phases of the cardiac cycle in mammals (human beings).

1. Isovolumetric relaxation: All 4 cardiac valves are closed and all 4 chambers are relaxed during this phase.

2. Ventricular filling: The maximum amount of blood is in the ventricles at the end of this phase.

3. Isovolumetric contraction: The pressure in the ventricles is higher than in the atria, but lower than in the arteries, during this phase.

4. Ventricular ejection: The semilunar valves are open and the AV valves are closed during this phase.

5. Ventricular filling: The atria contract at the end of this phase.

6. Ventricular ejection: The pressure in the ventricles is higher than the pressure in both the atria and the arteries during this phase.

7. Isovolumetric contraction: Systole begins with this phase.

Various cultures designate racial categories differently, and they often base these categories on very different traits. For example, some cultures use nose shape as one of the defining traits for a racial group. Other cultures do not use nose shape in defining racial groups, but use hair color instead. Conduct a survey in person on your campus, via social media accounts online, or among your friends and family. Ask at least 20 people what five traits they think are most important when distinguishing racial groups. Document the responses, and then review the data. Did every person use the same traits? What do differences in racial classification such as these suggest about the universality of race and racial groupings?

Answers

Answer:

In the clarification portion below, the definition of the topic is mentioned.

Explanation:

This shows that the distinctions between people living in a culture or geographical region are often based on ethnicity including ethnic groupings. A single population belonging to a specific geographical region has been shown to possess many characteristics, including hair color, body potential for heat resistance, and menu variety. In something like a specific race or ethnic group, these social traits bring them alongside, and the young government associated with a particular race is often obligated to answer the custom practiced by individuals related to such a particular demographic. These are assumed that understand the connection to a specific community follow these rituals only to solve difficulties they have previously faced due to errors perpetrated by certain ancestors.
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