They both store chemical energy
Q1. Of which wavelength of light do carotenoids absorb the greatest percentage?
a)400nm
b)500nm
c)600nm
d)700nm
Answer:
B. it's between 460 and 550 nm which would put 500 almost directly in the middle
Explanation:
The wavelength of light which carotenoids absorb the greatest percentage is:
B)500nmA wavelength of light is the visible light which the human eye can see. These have different wavelengths of which some are longer than the others, such as the infrared and the ultraviolet rays
A carotenoid is a type of pigment which are yellowish, orange and red and occurs in plants and algae.
As a result of this, we can see that a wavelength of light which carotenoids absorb the greatest percentage is anywhere between 460-550 nM which would fall under the range of option B
Therefore, the correct answer is option B
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Biodiversity is a measure of the:
Answer:
B.
Explanation:
Biodiversity is the diversity (variation) of biology (life). It measures the variation of life within an ecosystem. This directly correlates with B.
Explanation:
combines richness and evenness across species. it is often measured because high biodiversity is perceived a synonymous with ecosystem health
Definition: The third planet from the sun.
Example: You are sitting on it, and it's not a chair.
Answer:
Earth
Explanation:
Answer:
earth
Explanation:
because it's the third planet from the sun
Why does meiosis have two stages of cytokinesis? Four daughter cells are produced so the cell needs to divide twice, The chromosomes get mixed up so the cell divides more to get them back in order, The chromosomes cross over so the cell divides to break them up, or The daughter cells are 2n so there needs to be 2 divisions.
Answer:
Unable to understand the question
Explanation:
Propane is burned to provide the heat in many cooking grills. The chemical
reaction for this process is shown in the equation below.
C3Hg +502 + 3 CO2 + 4H20 + energy
What are the products in this chemical reaction?
A. 3C02 + 4H20+ energy
B. C3H3 + 3C02 + energy
C. C3Hg + 502
O D. 4H20 + 502
Answer:
the products are shown in answer A
Explanation:
Most of the reactions of burning organic substances lead to the products CO2 and H2O and are exothermic.
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Answer:
B
Explanation:
deciduous Forest...
Benefits of building dams include
А.Provides year-round water supply for irrigation and use in cities
B.Can produce electricity
С.Can control flooding downstream
D.All the choices are benefits
Answer:
D. All the choices are benefits
Explanation:
5.
20. Given the following scenario, choose the best answer that explains
why it happens: The blue dye in the water traveled up the petals of the
white flower.
organic means are made up of?
Answer:
Produce can be called organic if it's certified to have grown on soil that had no prohibited substances applied for three years prior to harvest. ... Prohibited substances include most synthetic fertilizers and pesticides
Explanation:
The process of genetic engineering may include either four or five steps. The diagram represents the five-step process.
Which best describes step 2?
A) Restriction enzymes cut the DNA into fragments; the fragments join with the host DNA to create recombinant DNA.
B) Recombinant DNA is inserted into a biological vector; the vector houses the recombinant DNA and can produce copies of DNA for itself and the recombinant DNA.
C) Cloning of the recombinant DNA occurs; the DNA is cloned in the biological vector to create more DNA for use in the host.
D) Recombinant DNA is inserted into a mechanical vector; the mechanical vector allows the DNA to be inserted into the DNA clone for use in the host.
Answer:
the awnser is A
Explanation:
MINIMEAMS said it first
Which of the following are part of what makes up a seed? (Choose all that apply)
endosperm
seed coat
pollen tube
embryo
Answer:
embryo, seed coat, endosperm
Answer:
endosperm
seed coat
embryo
Explanation:
correct
Analyze the diagram below. What process is shown?
A. Facilitated diffusion
B. Osmosis
C. Active transport
D. Endocytosis
The transport that is involved in the transportation of molecules through the transport channels called as carrier proteins or transport channels.
What is the diffusion ?
Diffusion is the movement of particles from higher concentration to the lower concentration.
“Active Transport is as process that involves movement of molecules from an area of lower concentration to an area of higher concentration against a concentration gradient or an obstacle with the help of external energy.”
1. Antiport Pumps.
2. Symport Pumps.
3. Endocytosis.
4. Exocytosis
These are the channels that are involved in the process of the active transport. Energy driven process is the process where the proteins are transported into the channels via the transporters. The transporters are the kind of the molecules that transport the molecules through the channels.
Active transport is the process that involves the use of ATP for the transport and the molecules are transported via the expenditure of energy through the ATP usage.
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What is the estimated age of Earth?
A.4.6x10^6
B.4.6x10^7
C.4.6x10^8
D.4.6x10^9
Answer:
D: 4.6 x [tex]10^{9}[/tex]
Explanation:
4.6 x 10^{9} = 4,600,000,000
Earth is approximately, 4.6 billion = 4,600,000,000 = 4.6 x 10^{9}
The estimated age of Earth is 4.6x10⁹ years (D).
Scientists estimate the age of Earth through various methods, including radiometric dating of rocks and minerals. By analyzing the isotopes present in rocks and minerals, scientists can determine the decay rates of radioactive isotopes and calculate the time since the formation of those rocks.
Based on extensive studies and evidence, the current estimated age of Earth is approximately 4.6 billion years (4.6x10^9 years). This estimation is supported by multiple lines of evidence, including radiometric dating of rocks from different geological formations, lunar samples brought back from the Moon, and meteorites.
The age of 4.6 billion years is consistent with the age of the oldest rocks found on Earth's surface and the ages of the Moon and meteorites, which are believed to have formed around the same time as Earth. These dating methods provide a reliable framework for understanding Earth's geological history and the processes that have shaped our planet over billions of years.
It's important to note that scientific estimates and understanding of Earth's age continue to evolve as new evidence and research emerge. However, the current consensus among scientists is that the age of Earth is approximately 4.6 billion years, as indicated by extensive geological and radiometric dating studies.
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Jorge hits a drum as hard as he can, and it makes a loud sound. Then he hits the same drum with less strength, and it makes a quieter sound. Which statement best explains why hitting the drum at different strengths produces sounds at different volumes? A. The vibrations are the same at each strength. B. The vibrations are different at each strength. C. The pitch is the same at each strength. D. The pitch is different at each strengh
D is the answer
^_^
^ Above is the right answer
PLEASE HELP ASAP IM ON A TIMER!!!
This image shows a volcanic eruption in Hawaii with lava flowing into the sea.
This image shows a volcanic eruption in Hawaii with lava flowing into the sea.
Which statement best describes this eruption?
1. Its magma is high in silica.
2. Its magma has low viscosity.
3. Its gases are released in rapid bursts.
4. Its lava came from an explosive eruption.
Answer:
4. its lava came from an explosive eruption
Answer:
4 its lava came from and explosive eruption
Explanation:
If you do a Gram-stained on a bacteria isolated from a healthy human intestine you will find mostly Gram positive spiral cells.
Select one
True
False
I can help you:)
Most bacteria can be stained with postitevly charged stains.So this is true .My friend had a test about this so he told me all about this topic and helped me learn about it and help you.
so there you go :)
ASAP PLZ Leon is a family doctor. in which economic sector does he work. a. Primary d. Secondary c. Tertiary d. Quaternary
Answer:
Leon's economic activity, being a family doctor, belongs to the tertiary sector of the economy (option c).
Explanation:
Professional services, such as engineers, teachers, lawyers and doctors, among others, belong to the tertiary economic sector, or services. All financial, commercial, educational, health, recreation, transportation, etc. services also belong to this economic sector.
Economic sectors are a set of activities on which the economy of a country is based, involving the flow of money and the exchange of goods and services for currency.
The economic sectors range from the exploitation of natural resources, through industrialization, to the services necessary for the development of individual, family and community life.
The other options are not correct because_
a. Primary sector is based on the exploitation of natural resources and agricultural and livestock production.
b. Secondary sector is where all the activities of industrialization, processing of natural products and manufacturing are located.
d. Quaternary sector is derived from the tertiary sector and consists of the commercialization of intangible goods, such as knowledge. Doctors do not enter this sector because part of their activity involves contact with people and performance of procedures.
Answer:
C
Explanation:
I got it right edg 2023
Please help if you know these answers to the water cycle part1
Answer:
Explanation:
1 is water cycle
2 is biosphere
9. What type of bond is pictured in the image below?
a. covalent bond
b. ionic bond
c. metallic bond
d. electron bond
ONLY 9
Answer:
c. metallic bond
Explanation:
Metallic bonding, unlike other forms of atomic bonding, involves delocalized elections. The negatively charged electrons form a "sea" around metal cations. Electrons within the valence shells of metals are only held loosely within their molecular orbits- the metals are held together due to the strong attraction between these delocalized electrons and positive nuclei.
The electrons are typically described as mobile, free, and delocalized. These traits are responsible for several metallic properties such as:
electrical conductivityheat conductivityelectronegativitymalleabilityAnswer: Number 10 is also C
Explanation:
What are some examples of endangered species
Answer:
Black Rhino/Amur Leopard/Bornean Orangutan/Cross River Gorilla
Explanation:
If we were to take a journey into ourselves, we would find 23 pairs of chromosomes, or ________ individual chromosomes, all packed in the nucleus of each cell.
Answer: It is 46
Explanation: 23 pairs =46
Which of these is the representative organism for roundworms?
Snail
Spider
Leach
Sponge
Sea star
Coral
Roundworm
Fish
3
Drag the tiles to the boxes to form complete the pairs.
Match the given changes in the ecosystem to their causes.
Answer:
Explanation:
The correct matches are:
1. Greenhouse gases - Trapping of heat on Earth
When we talk about greenhouse gasses we usually just mean CO2 and methane since they have properties that enable them to trap the heat in the atmosphere. The more we pump these gasses into our atmosphere, the more heat will get stuck and the temperature of Earth will rise and that will lead to many ecosystems dying out.
2. Chemicals released in the river - Unsafe drinking water
When we release chemicals in a body of water either by accident or by not following strict regulations we run the risk of polluting the drinking water and making it unsafe for consumption. This can be because of pesticides or dangerous chemicals from factories or other places.
3. Excess usage of land for agriculture - Fragmentation of forests
When we make more land for our agricultural needs we need to remove forests. During the deforestation, they are if not destroyed then mostly destroyed and this is not something that happens only some times. This is a constant process all around the world and most of this land is being used to feed the animals that we kill for food and not food that we consume directly.
Answer and Explanation:
1.GG=TOHOE Ozone depleting substances - Catching of warmth on Earth
At the point when we talk about nursery gasses we generally mean CO2 and methane since they have properties that empower them to trap the warmth in the environment. The more we siphon these gasses into our environment, the more warmth will stall out and the temperature of Earth will rise and that will prompt numerous biological systems ceasing to exist.
2.CRITR=UDW Synthetic compounds delivered in the stream - Dangerous drinking water
At the point when we discharge synthetic compounds in a waterway either unintentionally or by not after severe guidelines we risk contaminating the drinking water and making it risky for utilization. This can be a direct result of pesticides or perilous synthetic substances from processing plants or different spots.
3.EUOLFA=FOF Overabundance use of land for farming - Discontinuity of backwoods
At the point when we make more land for our rural necessities we need to eliminate timberlands. During the deforestation, they are in the event that not annihilated, at that point generally obliterated and this isn't something that happens just a few times. This is a steady interaction all around the planet and a large portion of this land is being utilized to take care of the creatures that we slaughter for food and not food that we burn-through straightforwardly.
Volcanic eruptions cause destruction, but they are also
Answer:
they also form rocks in earth surface
Answer:
Volcanic eruptions may cause destruction but they also create little islands like Hawaii.
What is the function of a pollen tube?
to lead sperm cells into the ovary
to create more pollen
to create sperm cells
to lead egg cells to the sperm cells
Answer:
The function of the pollen tube is to lead sperm cells into the ovary.
Explanation:
In angiosperms, the pollen tube is a structure formed when the pollen grain comes into contact with the stigma and germinates, producing a tubal extension that is related to the embryonic sac where the female gametophyte is found.
The function of the pollen tube is to conduct the male gametophyte —which is found in the pollen— to the embryonic sac, in order to come into contact with the oosphere and produce fertilization.
The other options are not correct because the pollen tube:
Do not create more pollen. Do not create more male spermatophytes. Does not lead the eggs to the male spermatophytes.Answer: to lead sperm cells into the ovary .
Explanation: There needs to be a way for the sperm cells formed by the pollen's generative nucleus to reach the egg cells that are found in the ovary.
All energy comes from the sun
True
False
Answer:
The answer is true.
Explanation:
While many things get energy from the sun indirectly, without the sun there would be no life.
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Need this asap!!!
The diagram below shows part of the process of DNA transcription. Which
mRNA base will go in location 3?
A.Uracil
B.Thymine
C.Cytosine
D.Adenine
Answer:B
Explanation:
Answer: as of april 25th 2023 its D
Explanation:
thats what i got and i was right also im pretty sure that they switch the order
Recent research by Ravizza and colleagues suggests that students may spend as much as one-
typical class hour browsing the internet.
half
third
fifth
quarter
Need help on this question?
Answer:
one-half
Explanation:
According to that study done by Susan Ravizza and her colleagues students spent almost 40 minutes browsing the internet for nonacademic purposes. Since one class period is 100 minutes this would put it at almost one-half of the class period. They also found that the students used their phones for texting for around 27 minutes.
Flea
Bird
Caterpillar
Oaktree
А
Look at the ecological pyramid above. What can you tell from this ecological pyramid?
The trophic level of the birds have a lower blomass than the trophic level of the caterpillars.
Fleas belong to the trophic level of primary producers.
The trophic level of the oak trees has the lowest biomass,
All four trophic levels contain consumers.
B
С
D
C2020
Illuminate Education in
Answer:
all of them are.
Explanation:
because all of them are produces for example the life cycle of the Caterpillar First it is a Caterpillar then he is tournd into a pupa then he is a bauterfly then it reproduces and reproduces
What type of electricity ended up being the one we use in homes?
Question 5 options:
A)
DC
B)
AC
C)
Static
D)
Intra-atomic
Answer:
b
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